diff --git a/src/com/android/providers/telephony/TelephonyBackupAgent.java b/src/com/android/providers/telephony/TelephonyBackupAgent.java
index 5c764c8..958c929 100644
--- a/src/com/android/providers/telephony/TelephonyBackupAgent.java
+++ b/src/com/android/providers/telephony/TelephonyBackupAgent.java
@@ -1147,9 +1147,9 @@
         if (DEBUG) {
             Log.d(TAG, "Add mms:\n" + mms);
         }
-        final long dummyId = System.currentTimeMillis(); // Dummy ID of the msg.
+        final long placeholderId = System.currentTimeMillis(); // Placeholder ID of the msg.
         final Uri partUri = Telephony.Mms.CONTENT_URI.buildUpon()
-                .appendPath(String.valueOf(dummyId)).appendPath("part").build();
+                .appendPath(String.valueOf(placeholderId)).appendPath("part").build();
 
         final String srcName = String.format(Locale.US, "text.%06d.txt", 0);
         { // Insert SMIL part.
@@ -1157,7 +1157,7 @@
             final String smil = TextUtils.isEmpty(mms.smil) ?
                     String.format(sSmilTextOnly, smilBody) : mms.smil;
             final ContentValues values = new ContentValues(7);
-            values.put(Telephony.Mms.Part.MSG_ID, dummyId);
+            values.put(Telephony.Mms.Part.MSG_ID, placeholderId);
             values.put(Telephony.Mms.Part.SEQ, -1);
             values.put(Telephony.Mms.Part.CONTENT_TYPE, ContentType.APP_SMIL);
             values.put(Telephony.Mms.Part.NAME, "smil.xml");
@@ -1172,7 +1172,7 @@
 
         { // Insert body part.
             final ContentValues values = new ContentValues(8);
-            values.put(Telephony.Mms.Part.MSG_ID, dummyId);
+            values.put(Telephony.Mms.Part.MSG_ID, placeholderId);
             values.put(Telephony.Mms.Part.SEQ, 0);
             values.put(Telephony.Mms.Part.CONTENT_TYPE, ContentType.TEXT_PLAIN);
             values.put(Telephony.Mms.Part.NAME, srcName);
@@ -1194,7 +1194,7 @@
             // Insert the attachment parts.
             for (ContentValues mmsAttachment : mms.attachments) {
                 final ContentValues values = new ContentValues(6);
-                values.put(Telephony.Mms.Part.MSG_ID, dummyId);
+                values.put(Telephony.Mms.Part.MSG_ID, placeholderId);
                 values.put(Telephony.Mms.Part.SEQ, 0);
                 values.put(Telephony.Mms.Part.CONTENT_TYPE,
                         mmsAttachment.getAsString(MMS_MIME_TYPE));
diff --git a/src/com/android/providers/telephony/TelephonyProvider.java b/src/com/android/providers/telephony/TelephonyProvider.java
index b7d7586..98bc81e 100644
--- a/src/com/android/providers/telephony/TelephonyProvider.java
+++ b/src/com/android/providers/telephony/TelephonyProvider.java
@@ -774,7 +774,7 @@
                 confparser.setInput(confreader);
                 XmlUtils.beginDocument(confparser, "apns");
 
-                // Sanity check. Force internal version and confidential versions to agree
+                // Correctness check. Force internal version and confidential versions to agree
                 int confversion = Integer.parseInt(confparser.getAttributeValue(null, "version"));
                 if (publicversion != confversion) {
                     log("initDatabase: throwing exception due to version mismatch");
diff --git a/tests/src/com/android/providers/telephony/CarrierIdProviderTest.java b/tests/src/com/android/providers/telephony/CarrierIdProviderTest.java
index ee0e016..921b59c 100644
--- a/tests/src/com/android/providers/telephony/CarrierIdProviderTest.java
+++ b/tests/src/com/android/providers/telephony/CarrierIdProviderTest.java
@@ -58,18 +58,18 @@
 
     private static final String TAG = CarrierIdProviderTest.class.getSimpleName();
 
-    private static final String dummy_mccmnc = "MCCMNC_DUMMY";
-    private static final String dummy_gid1 = "GID1_DUMMY";
-    private static final String dummy_gid2 = "GID2_DUMMY";
-    private static final String dummy_plmn = "PLMN_DUMMY";
-    private static final String dummy_imsi_prefix = "IMSI_PREFIX_DUMMY";
-    private static final String dummy_spn = "SPN_DUMMY";
-    private static final String dummy_apn = "APN_DUMMY";
-    private static final String dummy_iccid_prefix = "ICCID_PREFIX_DUMMY";
-    private static final String dummy_name = "NAME_DUMMY";
-    private static final String dummy_access_rule =
+    private static final String test_mccmnc = "MCCMNC_TEST";
+    private static final String test_gid1 = "GID1_TEST";
+    private static final String test_gid2 = "GID2_TEST";
+    private static final String test_plmn = "PLMN_TEST";
+    private static final String test_imsi_prefix = "IMSI_PREFIX_TEST";
+    private static final String test_spn = "SPN_TEST";
+    private static final String test_apn = "APN_TEST";
+    private static final String test_iccid_prefix = "ICCID_PREFIX_TEST";
+    private static final String test_name = "NAME_TEST";
+    private static final String test_access_rule =
             "B9CFCE1C47A6AC713442718F15EF55B00B3A6D1A6D48CB46249FA8EB51465350";
-    private static final int dummy_cid = 0;
+    private static final int test_cid = 0;
 
     private MockContextWithProvider mContext;
     private MockContentResolver mContentResolver;
@@ -204,7 +204,7 @@
         try {
             //insert a row with null mnccmnc to break not null constraint
             ContentValues contentValues = new ContentValues();
-            contentValues.put(CarrierId.All.GID1, dummy_gid1);
+            contentValues.put(CarrierId.All.GID1, test_gid1);
             mContentResolver.insert(CarrierId.All.CONTENT_URI, contentValues);
             Assert.fail("should throw an exception for null mccmnc");
         } catch (SQLException e) {
@@ -227,7 +227,7 @@
         int numRowsDeleted = -1;
         try {
             String whereClause = CarrierId.All.MCCMNC + "=?";
-            String[] whereArgs = new String[] { dummy_mccmnc };
+            String[] whereArgs = new String[] { test_mccmnc };
             numRowsDeleted = mContentResolver.delete(CarrierId.All.CONTENT_URI,
                     whereClause, whereArgs);
         } catch (Exception e) {
@@ -254,7 +254,7 @@
         try {
             contentValues.put(CarrierId.CARRIER_ID, 1);
             mContentResolver.update(CarrierId.All.CONTENT_URI, contentValues,
-                    CarrierId.All.MCCMNC + "=?", new String[] { dummy_mccmnc });
+                    CarrierId.All.MCCMNC + "=?", new String[] { test_mccmnc });
         } catch (Exception e) {
             Log.d(TAG, "Error updating values:" + e);
         }
@@ -262,7 +262,7 @@
         try {
             Cursor findEntry = mContentResolver.query(CarrierId.All.CONTENT_URI,
                     new String[] { CarrierId.CARRIER_ID},
-                    CarrierId.All.MCCMNC + "=?", new String[] { dummy_mccmnc },
+                    CarrierId.All.MCCMNC + "=?", new String[] { test_mccmnc },
                     null);
             findEntry.moveToFirst();
             cid = findEntry.getInt(0);
@@ -282,7 +282,7 @@
             mContentResolver.insert(CarrierId.All.CONTENT_URI, contentValues);
             // insert its MNO
             contentValues = new ContentValues();
-            contentValues.put(CarrierId.All.MCCMNC, dummy_mccmnc);
+            contentValues.put(CarrierId.All.MCCMNC, test_mccmnc);
             contentValues.put(CarrierId.CARRIER_ID, 1);
             mContentResolver.insert(CarrierId.All.CONTENT_URI, contentValues);
         } catch (Exception e) {
@@ -293,7 +293,7 @@
         String[] columns = {CarrierId.CARRIER_ID, CarrierId.All.ICCID_PREFIX};
         try {
             findEntry = mContentResolver.query(CarrierId.All.CONTENT_URI, columns,
-                    CarrierId.All.MCCMNC + "=?", new String[] { dummy_mccmnc },
+                    CarrierId.All.MCCMNC + "=?", new String[] { test_mccmnc },
                     null);
         } catch (Exception e) {
             Log.d(TAG, "Query failed:" + e);
@@ -306,14 +306,14 @@
                     CarrierId.All.MCCMNC + "=? and "
                     + CarrierId.All.GID1 + "=? and "
                     + CarrierId.All.ICCID_PREFIX + "=?",
-                    new String[] { dummy_mccmnc, dummy_gid1, dummy_iccid_prefix }, null);
+                    new String[] { test_mccmnc, test_gid1, test_iccid_prefix }, null);
         } catch (Exception e) {
             Log.d(TAG, "Query failed:" + e);
         }
         assertEquals(1, findEntry.getCount());
         findEntry.moveToFirst();
-        assertEquals(dummy_cid, findEntry.getInt(0));
-        assertEquals(dummy_iccid_prefix, findEntry.getString(1));
+        assertEquals(test_cid, findEntry.getInt(0));
+        assertEquals(test_iccid_prefix, findEntry.getString(1));
     }
 
     @Test
@@ -337,8 +337,8 @@
         // update carrier id for subId 1
         try {
             ContentValues cv = new ContentValues();
-            cv.put(CarrierId.CARRIER_ID, dummy_cid);
-            cv.put(CarrierId.CARRIER_NAME, dummy_name);
+            cv.put(CarrierId.CARRIER_ID, test_cid);
+            cv.put(CarrierId.CARRIER_NAME, test_name);
             when(subscriptionManager.isActiveSubscriptionId(eq(1))).thenReturn(true);
             mContext.getContentResolver().update(Uri.withAppendedPath(CarrierId.CONTENT_URI,
                     "1"), cv, null, null);
@@ -359,8 +359,8 @@
         } catch (Exception e) {
             Log.d(TAG, "Error query current subscription: " + e);
         }
-        assertEquals(dummy_cid, carrierId);
-        assertEquals(dummy_name, carrierName);
+        assertEquals(test_cid, carrierId);
+        assertEquals(test_name, carrierName);
 
         // query carrier id for subId 2
         int count  = -1;
@@ -384,8 +384,8 @@
         } catch (Exception e) {
             Log.d(TAG, "Error query current subscription: " + e);
         }
-        assertEquals(dummy_cid, carrierId);
-        assertEquals(dummy_name, carrierName);
+        assertEquals(test_cid, carrierId);
+        assertEquals(test_name, carrierName);
     }
 
     @Test(expected = IllegalArgumentException.class)
@@ -410,8 +410,8 @@
     public void testUpdateCurrentSubscription_WrongURI() {
         try {
             ContentValues cv = new ContentValues();
-            cv.put(CarrierId.CARRIER_ID, dummy_cid);
-            cv.put(CarrierId.CARRIER_NAME, dummy_name);
+            cv.put(CarrierId.CARRIER_ID, test_cid);
+            cv.put(CarrierId.CARRIER_NAME, test_name);
             mContext.getContentResolver().update(CarrierId.CONTENT_URI, cv, null, null);
             Assert.fail("should throw an exception for wrong uri");
         } catch (IllegalArgumentException ex) {
@@ -421,17 +421,17 @@
 
     private static ContentValues createCarrierInfoInternal() {
         ContentValues contentValues = new ContentValues();
-        contentValues.put(CarrierId.All.MCCMNC, dummy_mccmnc);
-        contentValues.put(CarrierId.All.GID1, dummy_gid1);
-        contentValues.put(CarrierId.All.GID2, dummy_gid2);
-        contentValues.put(CarrierId.All.PLMN, dummy_plmn);
-        contentValues.put(CarrierId.All.IMSI_PREFIX_XPATTERN, dummy_imsi_prefix);
-        contentValues.put(CarrierId.All.SPN, dummy_spn);
-        contentValues.put(CarrierId.All.APN, dummy_apn);
-        contentValues.put(CarrierId.All.ICCID_PREFIX, dummy_iccid_prefix);
-        contentValues.put(CarrierId.CARRIER_NAME, dummy_name);
-        contentValues.put(CarrierId.CARRIER_ID, dummy_cid);
-        contentValues.put(CarrierId.All.PRIVILEGE_ACCESS_RULE, dummy_access_rule);
+        contentValues.put(CarrierId.All.MCCMNC, test_mccmnc);
+        contentValues.put(CarrierId.All.GID1, test_gid1);
+        contentValues.put(CarrierId.All.GID2, test_gid2);
+        contentValues.put(CarrierId.All.PLMN, test_plmn);
+        contentValues.put(CarrierId.All.IMSI_PREFIX_XPATTERN, test_imsi_prefix);
+        contentValues.put(CarrierId.All.SPN, test_spn);
+        contentValues.put(CarrierId.All.APN, test_apn);
+        contentValues.put(CarrierId.All.ICCID_PREFIX, test_iccid_prefix);
+        contentValues.put(CarrierId.CARRIER_NAME, test_name);
+        contentValues.put(CarrierId.CARRIER_ID, test_cid);
+        contentValues.put(CarrierId.All.PRIVILEGE_ACCESS_RULE, test_access_rule);
         return contentValues;
     }
 }
diff --git a/tests/src/com/android/providers/telephony/CarrierProviderTest.java b/tests/src/com/android/providers/telephony/CarrierProviderTest.java
index 5146aa9..eb95fb6 100644
--- a/tests/src/com/android/providers/telephony/CarrierProviderTest.java
+++ b/tests/src/com/android/providers/telephony/CarrierProviderTest.java
@@ -54,16 +54,16 @@
     private MockContentResolver mContentResolver;
     private CarrierProviderTestable mCarrierProviderTestable;
 
-    public static final int dummy_type = 1;
-    public static final String dummy_mnc = "MNC001";
-    public static final String dummy_mnc2 = "MNC002";
-    public static final String dummy_mcc = "MCC005";
-    public static final String dummy_key1 = "PUBKEY1";
-    public static final String dummy_key2 = "PUBKEY2";
-    public static final String dummy_mvno_type = "100";
-    public static final String dummy_mvno_match_data = "101";
-    public static final String  dummy_key_identifier_data = "key_identifier1";
-    public static final long  dummy_key_expiration = 1496795015L;
+    public static final int test_type = 1;
+    public static final String test_mnc = "MNC001";
+    public static final String test_mnc2 = "MNC002";
+    public static final String test_mcc = "MCC005";
+    public static final String test_key1 = "PUBKEY1";
+    public static final String test_key2 = "PUBKEY2";
+    public static final String test_mvno_type = "100";
+    public static final String test_mvno_match_data = "101";
+    public static final String  test_key_identifier_data = "key_identifier1";
+    public static final long  test_key_expiration = 1496795015L;
 
 
     /**
@@ -144,14 +144,14 @@
     public void testInsertCertificates() {
         int count = -1;
         ContentValues contentValues = new ContentValues();
-        contentValues.put(CarrierDatabaseHelper.KEY_TYPE, dummy_type);
-        contentValues.put(CarrierDatabaseHelper.MCC, dummy_mcc);
-        contentValues.put(CarrierDatabaseHelper.MNC, dummy_mnc);
-        contentValues.put(CarrierDatabaseHelper.MVNO_TYPE, dummy_mvno_type);
-        contentValues.put(CarrierDatabaseHelper.MVNO_MATCH_DATA, dummy_mvno_match_data);
-        contentValues.put(CarrierDatabaseHelper.KEY_IDENTIFIER, dummy_key_identifier_data);
-        contentValues.put(CarrierDatabaseHelper.PUBLIC_KEY, dummy_key1.getBytes());
-        contentValues.put(CarrierDatabaseHelper.EXPIRATION_TIME, dummy_key_expiration);
+        contentValues.put(CarrierDatabaseHelper.KEY_TYPE, test_type);
+        contentValues.put(CarrierDatabaseHelper.MCC, test_mcc);
+        contentValues.put(CarrierDatabaseHelper.MNC, test_mnc);
+        contentValues.put(CarrierDatabaseHelper.MVNO_TYPE, test_mvno_type);
+        contentValues.put(CarrierDatabaseHelper.MVNO_MATCH_DATA, test_mvno_match_data);
+        contentValues.put(CarrierDatabaseHelper.KEY_IDENTIFIER, test_key_identifier_data);
+        contentValues.put(CarrierDatabaseHelper.PUBLIC_KEY, test_key1.getBytes());
+        contentValues.put(CarrierDatabaseHelper.EXPIRATION_TIME, test_key_expiration);
 
         try {
             mContentResolver.insert(CarrierProvider.CONTENT_URI, contentValues);
@@ -180,14 +180,14 @@
     public void testUpdateCertificates() {
         String key = null;
         ContentValues contentValues = new ContentValues();
-        contentValues.put(CarrierDatabaseHelper.KEY_TYPE, dummy_type);
-        contentValues.put(CarrierDatabaseHelper.MCC, dummy_mcc);
-        contentValues.put(CarrierDatabaseHelper.MNC, dummy_mnc);
-        contentValues.put(CarrierDatabaseHelper.MVNO_TYPE, dummy_mvno_type);
-        contentValues.put(CarrierDatabaseHelper.MVNO_MATCH_DATA, dummy_mvno_match_data);
-        contentValues.put(CarrierDatabaseHelper.KEY_IDENTIFIER, dummy_key_identifier_data);
-        contentValues.put(CarrierDatabaseHelper.PUBLIC_KEY, dummy_key1.getBytes());
-        contentValues.put(CarrierDatabaseHelper.EXPIRATION_TIME, dummy_key_expiration);
+        contentValues.put(CarrierDatabaseHelper.KEY_TYPE, test_type);
+        contentValues.put(CarrierDatabaseHelper.MCC, test_mcc);
+        contentValues.put(CarrierDatabaseHelper.MNC, test_mnc);
+        contentValues.put(CarrierDatabaseHelper.MVNO_TYPE, test_mvno_type);
+        contentValues.put(CarrierDatabaseHelper.MVNO_MATCH_DATA, test_mvno_match_data);
+        contentValues.put(CarrierDatabaseHelper.KEY_IDENTIFIER, test_key_identifier_data);
+        contentValues.put(CarrierDatabaseHelper.PUBLIC_KEY, test_key1.getBytes());
+        contentValues.put(CarrierDatabaseHelper.EXPIRATION_TIME, test_key_expiration);
 
         try {
             mContentResolver.insert(CarrierProvider.CONTENT_URI, contentValues);
@@ -197,10 +197,10 @@
 
         try {
             ContentValues updatedValues = new ContentValues();
-            updatedValues.put(CarrierDatabaseHelper.PUBLIC_KEY, dummy_key2);
+            updatedValues.put(CarrierDatabaseHelper.PUBLIC_KEY, test_key2);
             mContentResolver.update(CarrierProvider.CONTENT_URI, updatedValues,
-                    "mcc=? and mnc=? and key_type=?", new String[] { dummy_mcc, dummy_mnc,
-                            String.valueOf(dummy_type) });
+                    "mcc=? and mnc=? and key_type=?", new String[] { test_mcc, test_mnc,
+                            String.valueOf(test_type) });
         } catch (Exception e) {
             Log.d(TAG, "Error updating values:" + e);
         }
@@ -209,13 +209,13 @@
             String[] columns ={CarrierDatabaseHelper.PUBLIC_KEY};
             Cursor findEntry = mContentResolver.query(CarrierProvider.CONTENT_URI, columns,
                     "mcc=? and mnc=? and key_type=?",
-                    new String[] { dummy_mcc, dummy_mnc, String.valueOf(dummy_type) }, null);
+                    new String[] { test_mcc, test_mnc, String.valueOf(test_type) }, null);
             findEntry.moveToFirst();
             key = findEntry.getString(0);
         } catch (Exception e) {
             Log.d(TAG, "Query failed:" + e);
         }
-        assertEquals(key, dummy_key2);
+        assertEquals(key, test_key2);
     }
 
     /**
@@ -226,22 +226,22 @@
     public void testMultipleCertificates() {
         int count = -1;
         ContentValues contentValues = new ContentValues();
-        contentValues.put(CarrierDatabaseHelper.KEY_TYPE, dummy_type);
-        contentValues.put(CarrierDatabaseHelper.MCC, dummy_mcc);
-        contentValues.put(CarrierDatabaseHelper.MNC, dummy_mnc);
-        contentValues.put(CarrierDatabaseHelper.MVNO_TYPE, dummy_mvno_type);
-        contentValues.put(CarrierDatabaseHelper.MVNO_MATCH_DATA, dummy_mvno_match_data);
-        contentValues.put(CarrierDatabaseHelper.KEY_IDENTIFIER, dummy_key_identifier_data);
-        contentValues.put(CarrierDatabaseHelper.PUBLIC_KEY, dummy_key1.getBytes());
+        contentValues.put(CarrierDatabaseHelper.KEY_TYPE, test_type);
+        contentValues.put(CarrierDatabaseHelper.MCC, test_mcc);
+        contentValues.put(CarrierDatabaseHelper.MNC, test_mnc);
+        contentValues.put(CarrierDatabaseHelper.MVNO_TYPE, test_mvno_type);
+        contentValues.put(CarrierDatabaseHelper.MVNO_MATCH_DATA, test_mvno_match_data);
+        contentValues.put(CarrierDatabaseHelper.KEY_IDENTIFIER, test_key_identifier_data);
+        contentValues.put(CarrierDatabaseHelper.PUBLIC_KEY, test_key1.getBytes());
 
         ContentValues contentValuesNew = new ContentValues();
-        contentValuesNew.put(CarrierDatabaseHelper.KEY_TYPE, dummy_type);
-        contentValuesNew.put(CarrierDatabaseHelper.MCC, dummy_mcc);
-        contentValuesNew.put(CarrierDatabaseHelper.MNC, dummy_mnc2);
-        contentValuesNew.put(CarrierDatabaseHelper.MVNO_TYPE, dummy_mvno_type);
-        contentValuesNew.put(CarrierDatabaseHelper.MVNO_MATCH_DATA, dummy_mvno_match_data);
-        contentValues.put(CarrierDatabaseHelper.KEY_IDENTIFIER, dummy_key_identifier_data);
-        contentValuesNew.put(CarrierDatabaseHelper.PUBLIC_KEY, dummy_key2.getBytes());
+        contentValuesNew.put(CarrierDatabaseHelper.KEY_TYPE, test_type);
+        contentValuesNew.put(CarrierDatabaseHelper.MCC, test_mcc);
+        contentValuesNew.put(CarrierDatabaseHelper.MNC, test_mnc2);
+        contentValuesNew.put(CarrierDatabaseHelper.MVNO_TYPE, test_mvno_type);
+        contentValuesNew.put(CarrierDatabaseHelper.MVNO_MATCH_DATA, test_mvno_match_data);
+        contentValues.put(CarrierDatabaseHelper.KEY_IDENTIFIER, test_key_identifier_data);
+        contentValuesNew.put(CarrierDatabaseHelper.PUBLIC_KEY, test_key2.getBytes());
 
         try {
             mContentResolver.insert(CarrierProvider.CONTENT_URI, contentValues);
@@ -270,12 +270,12 @@
     @Test(expected = SQLException.class)
     public void testDuplicateFailure() {
         ContentValues contentValues = new ContentValues();
-        contentValues.put(CarrierDatabaseHelper.KEY_TYPE, dummy_type);
-        contentValues.put(CarrierDatabaseHelper.MCC, dummy_mcc);
-        contentValues.put(CarrierDatabaseHelper.MNC, dummy_mnc);
-        contentValues.put(CarrierDatabaseHelper.MVNO_TYPE, dummy_mvno_type);
-        contentValues.put(CarrierDatabaseHelper.MVNO_MATCH_DATA, dummy_mvno_match_data);
-        contentValues.put(CarrierDatabaseHelper.PUBLIC_KEY, dummy_key1.getBytes());
+        contentValues.put(CarrierDatabaseHelper.KEY_TYPE, test_type);
+        contentValues.put(CarrierDatabaseHelper.MCC, test_mcc);
+        contentValues.put(CarrierDatabaseHelper.MNC, test_mnc);
+        contentValues.put(CarrierDatabaseHelper.MVNO_TYPE, test_mvno_type);
+        contentValues.put(CarrierDatabaseHelper.MVNO_MATCH_DATA, test_mvno_match_data);
+        contentValues.put(CarrierDatabaseHelper.PUBLIC_KEY, test_key1.getBytes());
 
         try {
             mContentResolver.insert(CarrierProvider.CONTENT_URI, contentValues);
@@ -297,14 +297,14 @@
     public void testDelete() {
         int numRowsDeleted = -1;
         ContentValues contentValues = new ContentValues();
-        contentValues.put(CarrierDatabaseHelper.KEY_TYPE, dummy_type);
-        contentValues.put(CarrierDatabaseHelper.MCC, dummy_mcc);
-        contentValues.put(CarrierDatabaseHelper.MNC, dummy_mnc);
-        contentValues.put(CarrierDatabaseHelper.MVNO_TYPE, dummy_mvno_type);
-        contentValues.put(CarrierDatabaseHelper.MVNO_MATCH_DATA, dummy_mvno_match_data);
-        contentValues.put(CarrierDatabaseHelper.KEY_IDENTIFIER, dummy_key_identifier_data);
-        contentValues.put(CarrierDatabaseHelper.PUBLIC_KEY, dummy_key1.getBytes());
-        contentValues.put(CarrierDatabaseHelper.EXPIRATION_TIME, dummy_key_expiration);
+        contentValues.put(CarrierDatabaseHelper.KEY_TYPE, test_type);
+        contentValues.put(CarrierDatabaseHelper.MCC, test_mcc);
+        contentValues.put(CarrierDatabaseHelper.MNC, test_mnc);
+        contentValues.put(CarrierDatabaseHelper.MVNO_TYPE, test_mvno_type);
+        contentValues.put(CarrierDatabaseHelper.MVNO_MATCH_DATA, test_mvno_match_data);
+        contentValues.put(CarrierDatabaseHelper.KEY_IDENTIFIER, test_key_identifier_data);
+        contentValues.put(CarrierDatabaseHelper.PUBLIC_KEY, test_key1.getBytes());
+        contentValues.put(CarrierDatabaseHelper.EXPIRATION_TIME, test_key_expiration);
 
         try {
             mContentResolver.insert(CarrierProvider.CONTENT_URI, contentValues);
@@ -314,7 +314,7 @@
 
         try {
             String whereClause = "mcc=? and mnc=?";
-            String[] whereArgs = new String[] { dummy_mcc, dummy_mnc };
+            String[] whereArgs = new String[] { test_mcc, test_mnc };
             numRowsDeleted = mContentResolver.delete(CarrierProvider.CONTENT_URI, whereClause, whereArgs);
         } catch (Exception e) {
             Log.d(TAG, "Error updating values:" + e);
diff --git a/tests/src/com/android/providers/telephony/TelephonyBackupAgentTest.java b/tests/src/com/android/providers/telephony/TelephonyBackupAgentTest.java
index b1cd5e4..643a18f 100644
--- a/tests/src/com/android/providers/telephony/TelephonyBackupAgentTest.java
+++ b/tests/src/com/android/providers/telephony/TelephonyBackupAgentTest.java
@@ -41,7 +41,6 @@
 import android.util.ArraySet;
 import android.util.JsonReader;
 import android.util.JsonWriter;
-import android.util.Log;
 import android.util.SparseArray;
 
 import libcore.io.IoUtils;
@@ -800,7 +799,7 @@
     private class FakeMmsProvider extends MockContentProvider {
         private int nextRow = 0;
         private List<ContentValues> mValues;
-        private long mDummyMsgId = -1;
+        private long mPlaceholderMsgId = -1;
         private long mMsgId = -1;
         private String mFilename;
 
@@ -810,7 +809,7 @@
 
         @Override
         public Uri insert(Uri uri, ContentValues values) {
-            Uri retUri = Uri.parse("dummy_uri");
+            Uri retUri = Uri.parse("test_uri");
             ContentValues modifiedValues = new ContentValues(mValues.get(nextRow++));
             if (values.containsKey("read")) {
                 assertEquals("read: ", modifiedValues.get("read"), values.get("read"));
@@ -820,8 +819,8 @@
             }
             if (APP_SMIL.equals(values.get(Telephony.Mms.Part.CONTENT_TYPE))) {
                 // Smil part.
-                assertEquals(-1, mDummyMsgId);
-                mDummyMsgId = values.getAsLong(Telephony.Mms.Part.MSG_ID);
+                assertEquals(-1, mPlaceholderMsgId);
+                mPlaceholderMsgId = values.getAsLong(Telephony.Mms.Part.MSG_ID);
             }
             if (IMAGE_JPG.equals(values.get(Telephony.Mms.Part.CONTENT_TYPE))) {
                 // Image attachment part.
@@ -839,7 +838,7 @@
             if (values.get(Telephony.Mms.Part.SEQ) != null) {
                 // Part of mms.
                 final Uri expectedUri = Telephony.Mms.CONTENT_URI.buildUpon()
-                        .appendPath(String.valueOf(mDummyMsgId))
+                        .appendPath(String.valueOf(mPlaceholderMsgId))
                         .appendPath("part")
                         .build();
                 assertEquals(expectedUri, uri);
@@ -852,7 +851,7 @@
             }
 
             if (values.get(Telephony.Mms.Part.MSG_ID) != null) {
-                modifiedValues.put(Telephony.Mms.Part.MSG_ID, mDummyMsgId);
+                modifiedValues.put(Telephony.Mms.Part.MSG_ID, mPlaceholderMsgId);
             }
             if (values.containsKey("read")) {
                 assertEquals("read: ", modifiedValues.get("read"), values.get("read"));
@@ -890,7 +889,7 @@
                 assertEquals(expectedUri, uri);
                 assertNotSame(-1, mMsgId);
                 modifiedValues.put(Telephony.Mms.Addr.MSG_ID, mMsgId);
-                mDummyMsgId = -1;
+                mPlaceholderMsgId = -1;
             }
             if (values.containsKey("read")) {
                 assertEquals("read: ", modifiedValues.get("read"), values.get("read"));
@@ -909,7 +908,7 @@
         @Override
         public int update(Uri uri, ContentValues values, String selection, String[] selectionArgs) {
             final Uri expectedUri = Telephony.Mms.CONTENT_URI.buildUpon()
-                    .appendPath(String.valueOf(mDummyMsgId))
+                    .appendPath(String.valueOf(mPlaceholderMsgId))
                     .appendPath("part")
                     .build();
             assertEquals(expectedUri, uri);