diff --git a/tests/unit/java/android/app/usage/NetworkStatsManagerTest.java b/tests/unit/java/android/app/usage/NetworkStatsManagerTest.java
index 6bd2bd5..08a3007 100644
--- a/tests/unit/java/android/app/usage/NetworkStatsManagerTest.java
+++ b/tests/unit/java/android/app/usage/NetworkStatsManagerTest.java
@@ -36,11 +36,14 @@
 import android.net.NetworkStats.Entry;
 import android.net.NetworkStatsHistory;
 import android.net.NetworkTemplate;
+import android.os.Build;
 import android.os.RemoteException;
 
 import androidx.test.InstrumentationRegistry;
 import androidx.test.filters.SmallTest;
-import androidx.test.runner.AndroidJUnit4;
+
+import com.android.testutils.DevSdkIgnoreRule;
+import com.android.testutils.DevSdkIgnoreRunner;
 
 import org.junit.Before;
 import org.junit.Test;
@@ -49,8 +52,9 @@
 import org.mockito.MockitoAnnotations;
 import org.mockito.invocation.InvocationOnMock;
 
-@RunWith(AndroidJUnit4.class)
+@RunWith(DevSdkIgnoreRunner.class)
 @SmallTest
+@DevSdkIgnoreRule.IgnoreUpTo(Build.VERSION_CODES.R)
 public class NetworkStatsManagerTest {
     private static final String TEST_SUBSCRIBER_ID = "subid";
 
diff --git a/tests/unit/java/android/net/ConnectivityManagerTest.java b/tests/unit/java/android/net/ConnectivityManagerTest.java
index b8cd3f6..e7873af 100644
--- a/tests/unit/java/android/net/ConnectivityManagerTest.java
+++ b/tests/unit/java/android/net/ConnectivityManagerTest.java
@@ -68,7 +68,9 @@
 import android.os.Process;
 
 import androidx.test.filters.SmallTest;
-import androidx.test.runner.AndroidJUnit4;
+
+import com.android.testutils.DevSdkIgnoreRule;
+import com.android.testutils.DevSdkIgnoreRunner;
 
 import org.junit.Before;
 import org.junit.Test;
@@ -77,8 +79,9 @@
 import org.mockito.Mock;
 import org.mockito.MockitoAnnotations;
 
-@RunWith(AndroidJUnit4.class)
+@RunWith(DevSdkIgnoreRunner.class)
 @SmallTest
+@DevSdkIgnoreRule.IgnoreUpTo(VERSION_CODES.R)
 public class ConnectivityManagerTest {
 
     @Mock Context mCtx;
diff --git a/tests/unit/java/android/net/Ikev2VpnProfileTest.java b/tests/unit/java/android/net/Ikev2VpnProfileTest.java
index 0707ef3..56e5c62 100644
--- a/tests/unit/java/android/net/Ikev2VpnProfileTest.java
+++ b/tests/unit/java/android/net/Ikev2VpnProfileTest.java
@@ -23,14 +23,16 @@
 import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.fail;
 
+import android.os.Build;
 import android.test.mock.MockContext;
 
 import androidx.test.filters.SmallTest;
-import androidx.test.runner.AndroidJUnit4;
 
 import com.android.internal.net.VpnProfile;
 import com.android.internal.org.bouncycastle.x509.X509V1CertificateGenerator;
 import com.android.net.module.util.ProxyUtils;
+import com.android.testutils.DevSdkIgnoreRule;
+import com.android.testutils.DevSdkIgnoreRunner;
 
 import org.junit.Before;
 import org.junit.Test;
@@ -51,7 +53,8 @@
 
 /** Unit tests for {@link Ikev2VpnProfile.Builder}. */
 @SmallTest
-@RunWith(AndroidJUnit4.class)
+@RunWith(DevSdkIgnoreRunner.class)
+@DevSdkIgnoreRule.IgnoreUpTo(Build.VERSION_CODES.R)
 public class Ikev2VpnProfileTest {
     private static final String SERVER_ADDR_STRING = "1.2.3.4";
     private static final String IDENTITY_STRING = "Identity";
diff --git a/tests/unit/java/android/net/IpMemoryStoreTest.java b/tests/unit/java/android/net/IpMemoryStoreTest.java
index 0b13800..0b82759 100644
--- a/tests/unit/java/android/net/IpMemoryStoreTest.java
+++ b/tests/unit/java/android/net/IpMemoryStoreTest.java
@@ -36,10 +36,13 @@
 import android.net.ipmemorystore.NetworkAttributesParcelable;
 import android.net.ipmemorystore.Status;
 import android.net.networkstack.ModuleNetworkStackClient;
+import android.os.Build;
 import android.os.RemoteException;
 
 import androidx.test.filters.SmallTest;
-import androidx.test.runner.AndroidJUnit4;
+
+import com.android.testutils.DevSdkIgnoreRule;
+import com.android.testutils.DevSdkIgnoreRunner;
 
 import org.junit.Before;
 import org.junit.Test;
@@ -53,8 +56,9 @@
 import java.net.UnknownHostException;
 import java.util.Arrays;
 
-@RunWith(AndroidJUnit4.class)
+@RunWith(DevSdkIgnoreRunner.class)
 @SmallTest
+@DevSdkIgnoreRule.IgnoreUpTo(Build.VERSION_CODES.R)
 public class IpMemoryStoreTest {
     private static final String TAG = IpMemoryStoreTest.class.getSimpleName();
     private static final String TEST_CLIENT_ID = "testClientId";
diff --git a/tests/unit/java/android/net/IpSecAlgorithmTest.java b/tests/unit/java/android/net/IpSecAlgorithmTest.java
index 3a8d600..cac8c2d 100644
--- a/tests/unit/java/android/net/IpSecAlgorithmTest.java
+++ b/tests/unit/java/android/net/IpSecAlgorithmTest.java
@@ -29,9 +29,10 @@
 import android.os.Parcel;
 
 import androidx.test.filters.SmallTest;
-import androidx.test.runner.AndroidJUnit4;
 
 import com.android.internal.util.CollectionUtils;
+import com.android.testutils.DevSdkIgnoreRule;
+import com.android.testutils.DevSdkIgnoreRunner;
 
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -45,7 +46,8 @@
 
 /** Unit tests for {@link IpSecAlgorithm}. */
 @SmallTest
-@RunWith(AndroidJUnit4.class)
+@RunWith(DevSdkIgnoreRunner.class)
+@DevSdkIgnoreRule.IgnoreUpTo(Build.VERSION_CODES.R)
 public class IpSecAlgorithmTest {
     private static final byte[] KEY_MATERIAL;
 
diff --git a/tests/unit/java/android/net/IpSecConfigTest.java b/tests/unit/java/android/net/IpSecConfigTest.java
index 25e225e..b87cb48 100644
--- a/tests/unit/java/android/net/IpSecConfigTest.java
+++ b/tests/unit/java/android/net/IpSecConfigTest.java
@@ -23,15 +23,20 @@
 import static org.junit.Assert.assertNotSame;
 import static org.junit.Assert.assertNull;
 
+import android.os.Build;
+
 import androidx.test.filters.SmallTest;
 
+import com.android.testutils.DevSdkIgnoreRule;
+import com.android.testutils.DevSdkIgnoreRunner;
+
 import org.junit.Test;
 import org.junit.runner.RunWith;
-import org.junit.runners.JUnit4;
 
 /** Unit tests for {@link IpSecConfig}. */
 @SmallTest
-@RunWith(JUnit4.class)
+@RunWith(DevSdkIgnoreRunner.class)
+@DevSdkIgnoreRule.IgnoreUpTo(Build.VERSION_CODES.R)
 public class IpSecConfigTest {
 
     @Test
diff --git a/tests/unit/java/android/net/IpSecManagerTest.java b/tests/unit/java/android/net/IpSecManagerTest.java
index 730e2d5..cda8eb7 100644
--- a/tests/unit/java/android/net/IpSecManagerTest.java
+++ b/tests/unit/java/android/net/IpSecManagerTest.java
@@ -31,13 +31,15 @@
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
+import android.os.Build;
 import android.system.Os;
 import android.test.mock.MockContext;
 
 import androidx.test.filters.SmallTest;
-import androidx.test.runner.AndroidJUnit4;
 
 import com.android.server.IpSecService;
+import com.android.testutils.DevSdkIgnoreRule;
+import com.android.testutils.DevSdkIgnoreRunner;
 
 import org.junit.Before;
 import org.junit.Test;
@@ -49,7 +51,8 @@
 
 /** Unit tests for {@link IpSecManager}. */
 @SmallTest
-@RunWith(AndroidJUnit4.class)
+@RunWith(DevSdkIgnoreRunner.class)
+@DevSdkIgnoreRule.IgnoreUpTo(Build.VERSION_CODES.R)
 public class IpSecManagerTest {
 
     private static final int TEST_UDP_ENCAP_PORT = 34567;
diff --git a/tests/unit/java/android/net/IpSecTransformTest.java b/tests/unit/java/android/net/IpSecTransformTest.java
index 424f23d..81375f1 100644
--- a/tests/unit/java/android/net/IpSecTransformTest.java
+++ b/tests/unit/java/android/net/IpSecTransformTest.java
@@ -19,15 +19,20 @@
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotEquals;
 
+import android.os.Build;
+
 import androidx.test.filters.SmallTest;
 
+import com.android.testutils.DevSdkIgnoreRule;
+import com.android.testutils.DevSdkIgnoreRunner;
+
 import org.junit.Test;
 import org.junit.runner.RunWith;
-import org.junit.runners.JUnit4;
 
 /** Unit tests for {@link IpSecTransform}. */
 @SmallTest
-@RunWith(JUnit4.class)
+@RunWith(DevSdkIgnoreRunner.class)
+@DevSdkIgnoreRule.IgnoreUpTo(Build.VERSION_CODES.R)
 public class IpSecTransformTest {
 
     @Test
diff --git a/tests/unit/java/android/net/KeepalivePacketDataUtilTest.java b/tests/unit/java/android/net/KeepalivePacketDataUtilTest.java
index bc6dbf2..ed4f61d 100644
--- a/tests/unit/java/android/net/KeepalivePacketDataUtilTest.java
+++ b/tests/unit/java/android/net/KeepalivePacketDataUtilTest.java
@@ -24,18 +24,22 @@
 import static org.junit.Assert.fail;
 
 import android.net.util.KeepalivePacketDataUtil;
+import android.os.Build;
 import android.util.Log;
 
+import com.android.testutils.DevSdkIgnoreRule;
+import com.android.testutils.DevSdkIgnoreRunner;
+
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
-import org.junit.runners.JUnit4;
 
 import java.net.InetAddress;
 import java.nio.ByteBuffer;
 
-@RunWith(JUnit4.class)
+@RunWith(DevSdkIgnoreRunner.class)
+@DevSdkIgnoreRule.IgnoreUpTo(Build.VERSION_CODES.R)
 public final class KeepalivePacketDataUtilTest {
     private static final byte[] IPV4_KEEPALIVE_SRC_ADDR = {10, 0, 0, 1};
     private static final byte[] IPV4_KEEPALIVE_DST_ADDR = {10, 0, 0, 5};
diff --git a/tests/unit/java/android/net/MacAddressTest.java b/tests/unit/java/android/net/MacAddressTest.java
index 6de31f6..ae7deaa 100644
--- a/tests/unit/java/android/net/MacAddressTest.java
+++ b/tests/unit/java/android/net/MacAddressTest.java
@@ -22,10 +22,13 @@
 import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.fail;
 
+import android.os.Build;
+
 import androidx.test.filters.SmallTest;
-import androidx.test.runner.AndroidJUnit4;
 
 import com.android.net.module.util.MacAddressUtils;
+import com.android.testutils.DevSdkIgnoreRule;
+import com.android.testutils.DevSdkIgnoreRunner;
 
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -35,7 +38,8 @@
 import java.util.Random;
 
 @SmallTest
-@RunWith(AndroidJUnit4.class)
+@RunWith(DevSdkIgnoreRunner.class)
+@DevSdkIgnoreRule.IgnoreUpTo(Build.VERSION_CODES.R)
 public class MacAddressTest {
 
     static class AddrTypeTestCase {
diff --git a/tests/unit/java/android/net/NetworkIdentityTest.kt b/tests/unit/java/android/net/NetworkIdentityTest.kt
index eb2b85c..f963593 100644
--- a/tests/unit/java/android/net/NetworkIdentityTest.kt
+++ b/tests/unit/java/android/net/NetworkIdentityTest.kt
@@ -20,12 +20,15 @@
 import android.net.NetworkIdentity.OEM_PAID
 import android.net.NetworkIdentity.OEM_PRIVATE
 import android.net.NetworkIdentity.getOemBitfield
+import android.os.Build
+import com.android.testutils.DevSdkIgnoreRule
+import com.android.testutils.DevSdkIgnoreRunner
 import org.junit.Test
 import org.junit.runner.RunWith
-import org.junit.runners.JUnit4
 import kotlin.test.assertEquals
 
-@RunWith(JUnit4::class)
+@RunWith(DevSdkIgnoreRunner::class)
+@DevSdkIgnoreRule.IgnoreUpTo(Build.VERSION_CODES.R)
 class NetworkIdentityTest {
     @Test
     fun testGetOemBitfield() {
diff --git a/tests/unit/java/android/net/NetworkStatsHistoryTest.java b/tests/unit/java/android/net/NetworkStatsHistoryTest.java
index 13558cd..c5f8c00 100644
--- a/tests/unit/java/android/net/NetworkStatsHistoryTest.java
+++ b/tests/unit/java/android/net/NetworkStatsHistoryTest.java
@@ -38,13 +38,15 @@
 import static org.junit.Assert.assertTrue;
 
 import android.content.Context;
+import android.os.Build;
 import android.util.Log;
 
 import androidx.test.InstrumentationRegistry;
 import androidx.test.filters.SmallTest;
-import androidx.test.runner.AndroidJUnit4;
 
 import com.android.frameworks.tests.net.R;
+import com.android.testutils.DevSdkIgnoreRule;
+import com.android.testutils.DevSdkIgnoreRunner;
 
 import org.junit.After;
 import org.junit.Test;
@@ -56,8 +58,9 @@
 import java.io.DataOutputStream;
 import java.util.Random;
 
-@RunWith(AndroidJUnit4.class)
+@RunWith(DevSdkIgnoreRunner.class)
 @SmallTest
+@DevSdkIgnoreRule.IgnoreUpTo(Build.VERSION_CODES.R)
 public class NetworkStatsHistoryTest {
     private static final String TAG = "NetworkStatsHistoryTest";
 
diff --git a/tests/unit/java/android/net/NetworkStatsTest.java b/tests/unit/java/android/net/NetworkStatsTest.java
index 23d5a7e..1cdc6cb 100644
--- a/tests/unit/java/android/net/NetworkStatsTest.java
+++ b/tests/unit/java/android/net/NetworkStatsTest.java
@@ -39,11 +39,14 @@
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertTrue;
 
+import android.os.Build;
 import android.os.Process;
 import android.util.ArrayMap;
 
 import androidx.test.filters.SmallTest;
-import androidx.test.runner.AndroidJUnit4;
+
+import com.android.testutils.DevSdkIgnoreRule;
+import com.android.testutils.DevSdkIgnoreRunner;
 
 import com.google.android.collect.Sets;
 
@@ -53,8 +56,9 @@
 import java.util.Arrays;
 import java.util.HashSet;
 
-@RunWith(AndroidJUnit4.class)
+@RunWith(DevSdkIgnoreRunner.class)
 @SmallTest
+@DevSdkIgnoreRule.IgnoreUpTo(Build.VERSION_CODES.R)
 public class NetworkStatsTest {
 
     private static final String TEST_IFACE = "test0";
diff --git a/tests/unit/java/android/net/NetworkTemplateTest.kt b/tests/unit/java/android/net/NetworkTemplateTest.kt
index cb39a0c..49c7271 100644
--- a/tests/unit/java/android/net/NetworkTemplateTest.kt
+++ b/tests/unit/java/android/net/NetworkTemplateTest.kt
@@ -19,10 +19,10 @@
 import android.content.Context
 import android.net.ConnectivityManager.TYPE_MOBILE
 import android.net.ConnectivityManager.TYPE_WIFI
-import android.net.NetworkIdentity.SUBTYPE_COMBINED
 import android.net.NetworkIdentity.OEM_NONE
 import android.net.NetworkIdentity.OEM_PAID
 import android.net.NetworkIdentity.OEM_PRIVATE
+import android.net.NetworkIdentity.SUBTYPE_COMBINED
 import android.net.NetworkIdentity.buildNetworkIdentity
 import android.net.NetworkStats.DEFAULT_NETWORK_ALL
 import android.net.NetworkStats.METERED_ALL
@@ -31,23 +31,25 @@
 import android.net.NetworkTemplate.MATCH_MOBILE_WILDCARD
 import android.net.NetworkTemplate.MATCH_WIFI
 import android.net.NetworkTemplate.MATCH_WIFI_WILDCARD
-import android.net.NetworkTemplate.WIFI_NETWORKID_ALL
 import android.net.NetworkTemplate.NETWORK_TYPE_5G_NSA
 import android.net.NetworkTemplate.NETWORK_TYPE_ALL
 import android.net.NetworkTemplate.OEM_MANAGED_ALL
 import android.net.NetworkTemplate.OEM_MANAGED_NO
 import android.net.NetworkTemplate.OEM_MANAGED_YES
 import android.net.NetworkTemplate.SUBSCRIBER_ID_MATCH_RULE_EXACT
-import android.net.NetworkTemplate.buildTemplateWifi
-import android.net.NetworkTemplate.buildTemplateWifiWildcard
+import android.net.NetworkTemplate.WIFI_NETWORKID_ALL
 import android.net.NetworkTemplate.buildTemplateCarrierMetered
 import android.net.NetworkTemplate.buildTemplateMobileWithRatType
+import android.net.NetworkTemplate.buildTemplateWifi
+import android.net.NetworkTemplate.buildTemplateWifiWildcard
+import android.os.Build
 import android.telephony.TelephonyManager
+import com.android.testutils.DevSdkIgnoreRule
+import com.android.testutils.DevSdkIgnoreRunner
 import com.android.testutils.assertParcelSane
 import org.junit.Before
 import org.junit.Test
 import org.junit.runner.RunWith
-import org.junit.runners.JUnit4
 import org.mockito.Mockito.mock
 import org.mockito.MockitoAnnotations
 import kotlin.test.assertEquals
@@ -60,7 +62,8 @@
 private const val TEST_SSID1 = "ssid1"
 private const val TEST_SSID2 = "ssid2"
 
-@RunWith(JUnit4::class)
+@RunWith(DevSdkIgnoreRunner::class)
+@DevSdkIgnoreRule.IgnoreUpTo(Build.VERSION_CODES.R)
 class NetworkTemplateTest {
     private val mockContext = mock(Context::class.java)
 
diff --git a/tests/unit/java/android/net/NetworkUtilsTest.java b/tests/unit/java/android/net/NetworkUtilsTest.java
index 7748288..a28245d 100644
--- a/tests/unit/java/android/net/NetworkUtilsTest.java
+++ b/tests/unit/java/android/net/NetworkUtilsTest.java
@@ -18,7 +18,12 @@
 
 import static junit.framework.Assert.assertEquals;
 
-import androidx.test.runner.AndroidJUnit4;
+import android.os.Build;
+
+import androidx.test.filters.SmallTest;
+
+import com.android.testutils.DevSdkIgnoreRule;
+import com.android.testutils.DevSdkIgnoreRunner;
 
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -26,8 +31,9 @@
 import java.math.BigInteger;
 import java.util.TreeSet;
 
-@RunWith(AndroidJUnit4.class)
-@androidx.test.filters.SmallTest
+@RunWith(DevSdkIgnoreRunner.class)
+@SmallTest
+@DevSdkIgnoreRule.IgnoreUpTo(Build.VERSION_CODES.R)
 public class NetworkUtilsTest {
     @Test
     public void testRoutedIPv4AddressCount() {
diff --git a/tests/unit/java/android/net/QosSocketFilterTest.java b/tests/unit/java/android/net/QosSocketFilterTest.java
index 40f8f1b..91f2cdd 100644
--- a/tests/unit/java/android/net/QosSocketFilterTest.java
+++ b/tests/unit/java/android/net/QosSocketFilterTest.java
@@ -19,7 +19,12 @@
 import static junit.framework.Assert.assertFalse;
 import static junit.framework.Assert.assertTrue;
 
-import androidx.test.runner.AndroidJUnit4;
+import android.os.Build;
+
+import androidx.test.filters.SmallTest;
+
+import com.android.testutils.DevSdkIgnoreRule;
+import com.android.testutils.DevSdkIgnoreRunner;
 
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -27,8 +32,9 @@
 import java.net.InetAddress;
 import java.net.InetSocketAddress;
 
-@RunWith(AndroidJUnit4.class)
-@androidx.test.filters.SmallTest
+@RunWith(DevSdkIgnoreRunner.class)
+@SmallTest
+@DevSdkIgnoreRule.IgnoreUpTo(Build.VERSION_CODES.R)
 public class QosSocketFilterTest {
 
     @Test
diff --git a/tests/unit/java/android/net/TelephonyNetworkSpecifierTest.java b/tests/unit/java/android/net/TelephonyNetworkSpecifierTest.java
index 6714bb1..ead964e 100644
--- a/tests/unit/java/android/net/TelephonyNetworkSpecifierTest.java
+++ b/tests/unit/java/android/net/TelephonyNetworkSpecifierTest.java
@@ -23,16 +23,20 @@
 import static org.junit.Assert.assertTrue;
 
 import android.net.wifi.WifiNetworkSpecifier;
+import android.os.Build;
 import android.telephony.SubscriptionManager;
 
 import androidx.test.filters.SmallTest;
 
+import com.android.testutils.DevSdkIgnoreRule;
+
 import org.junit.Test;
 
 /**
  * Unit test for {@link android.net.TelephonyNetworkSpecifier}.
  */
 @SmallTest
+@DevSdkIgnoreRule.IgnoreUpTo(Build.VERSION_CODES.R)
 public class TelephonyNetworkSpecifierTest {
     private static final int TEST_SUBID = 5;
     private static final String TEST_SSID = "Test123";
diff --git a/tests/unit/java/android/net/VpnManagerTest.java b/tests/unit/java/android/net/VpnManagerTest.java
index 3135062..532081a 100644
--- a/tests/unit/java/android/net/VpnManagerTest.java
+++ b/tests/unit/java/android/net/VpnManagerTest.java
@@ -27,14 +27,16 @@
 
 import android.content.ComponentName;
 import android.content.Intent;
+import android.os.Build;
 import android.test.mock.MockContext;
 import android.util.SparseArray;
 
 import androidx.test.filters.SmallTest;
-import androidx.test.runner.AndroidJUnit4;
 
 import com.android.internal.net.VpnProfile;
 import com.android.internal.util.MessageUtils;
+import com.android.testutils.DevSdkIgnoreRule;
+import com.android.testutils.DevSdkIgnoreRunner;
 
 import org.junit.Before;
 import org.junit.Test;
@@ -42,7 +44,8 @@
 
 /** Unit tests for {@link VpnManager}. */
 @SmallTest
-@RunWith(AndroidJUnit4.class)
+@RunWith(DevSdkIgnoreRunner.class)
+@DevSdkIgnoreRule.IgnoreUpTo(Build.VERSION_CODES.R)
 public class VpnManagerTest {
     private static final String PKG_NAME = "fooPackage";
 
diff --git a/tests/unit/java/android/net/VpnTransportInfoTest.java b/tests/unit/java/android/net/VpnTransportInfoTest.java
index ccaa5cf..b4c7ac4 100644
--- a/tests/unit/java/android/net/VpnTransportInfoTest.java
+++ b/tests/unit/java/android/net/VpnTransportInfoTest.java
@@ -24,14 +24,19 @@
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotEquals;
 
+import android.os.Build;
+
 import androidx.test.filters.SmallTest;
-import androidx.test.runner.AndroidJUnit4;
+
+import com.android.testutils.DevSdkIgnoreRule;
+import com.android.testutils.DevSdkIgnoreRunner;
 
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
-@RunWith(AndroidJUnit4.class)
+@RunWith(DevSdkIgnoreRunner.class)
 @SmallTest
+@DevSdkIgnoreRule.IgnoreUpTo(Build.VERSION_CODES.R)
 public class VpnTransportInfoTest {
 
     @Test
diff --git a/tests/unit/java/android/net/ipmemorystore/ParcelableTests.java b/tests/unit/java/android/net/ipmemorystore/ParcelableTests.java
index 603c875..5d0b783 100644
--- a/tests/unit/java/android/net/ipmemorystore/ParcelableTests.java
+++ b/tests/unit/java/android/net/ipmemorystore/ParcelableTests.java
@@ -21,11 +21,14 @@
 
 import android.net.networkstack.aidl.quirks.IPv6ProvisioningLossQuirk;
 import android.net.networkstack.aidl.quirks.IPv6ProvisioningLossQuirkParcelable;
+import android.os.Build;
 import android.os.Parcel;
 import android.os.Parcelable;
 
 import androidx.test.filters.SmallTest;
-import androidx.test.runner.AndroidJUnit4;
+
+import com.android.testutils.DevSdkIgnoreRule;
+import com.android.testutils.DevSdkIgnoreRunner;
 
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -36,8 +39,9 @@
 import java.util.Arrays;
 import java.util.Collections;
 
-@RunWith(AndroidJUnit4.class)
+@RunWith(DevSdkIgnoreRunner.class)
 @SmallTest
+@DevSdkIgnoreRule.IgnoreUpTo(Build.VERSION_CODES.R)
 public class ParcelableTests {
     @Test
     public void testNetworkAttributesParceling() throws Exception {
diff --git a/tests/unit/java/android/net/nsd/NsdManagerTest.java b/tests/unit/java/android/net/nsd/NsdManagerTest.java
index 370179c..31c8927 100644
--- a/tests/unit/java/android/net/nsd/NsdManagerTest.java
+++ b/tests/unit/java/android/net/nsd/NsdManagerTest.java
@@ -28,6 +28,7 @@
 import static org.mockito.Mockito.verify;
 
 import android.content.Context;
+import android.os.Build;
 import android.os.Handler;
 import android.os.HandlerThread;
 import android.os.Looper;
@@ -35,9 +36,10 @@
 import android.os.Messenger;
 
 import androidx.test.filters.SmallTest;
-import androidx.test.runner.AndroidJUnit4;
 
 import com.android.internal.util.AsyncChannel;
+import com.android.testutils.DevSdkIgnoreRule;
+import com.android.testutils.DevSdkIgnoreRunner;
 import com.android.testutils.HandlerUtils;
 
 import org.junit.After;
@@ -47,8 +49,9 @@
 import org.mockito.Mock;
 import org.mockito.MockitoAnnotations;
 
-@RunWith(AndroidJUnit4.class)
+@RunWith(DevSdkIgnoreRunner.class)
 @SmallTest
+@DevSdkIgnoreRule.IgnoreUpTo(Build.VERSION_CODES.R)
 public class NsdManagerTest {
 
     static final int PROTOCOL = NsdManager.PROTOCOL_DNS_SD;
diff --git a/tests/unit/java/android/net/nsd/NsdServiceInfoTest.java b/tests/unit/java/android/net/nsd/NsdServiceInfoTest.java
index 94dfc75..ca8cf07 100644
--- a/tests/unit/java/android/net/nsd/NsdServiceInfoTest.java
+++ b/tests/unit/java/android/net/nsd/NsdServiceInfoTest.java
@@ -21,12 +21,15 @@
 import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.fail;
 
+import android.os.Build;
 import android.os.Bundle;
 import android.os.Parcel;
 import android.os.StrictMode;
 
 import androidx.test.filters.SmallTest;
-import androidx.test.runner.AndroidJUnit4;
+
+import com.android.testutils.DevSdkIgnoreRule;
+import com.android.testutils.DevSdkIgnoreRunner;
 
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -36,8 +39,9 @@
 import java.util.Arrays;
 import java.util.Map;
 
-@RunWith(AndroidJUnit4.class)
+@RunWith(DevSdkIgnoreRunner.class)
 @SmallTest
+@DevSdkIgnoreRule.IgnoreUpTo(Build.VERSION_CODES.R)
 public class NsdServiceInfoTest {
 
     public final static InetAddress LOCALHOST;
diff --git a/tests/unit/java/android/net/util/DnsUtilsTest.java b/tests/unit/java/android/net/util/DnsUtilsTest.java
index b626db8..660d516 100644
--- a/tests/unit/java/android/net/util/DnsUtilsTest.java
+++ b/tests/unit/java/android/net/util/DnsUtilsTest.java
@@ -25,9 +25,12 @@
 import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.net.InetAddresses;
+import android.os.Build;
 
 import androidx.test.filters.SmallTest;
-import androidx.test.runner.AndroidJUnit4;
+
+import com.android.testutils.DevSdkIgnoreRule;
+import com.android.testutils.DevSdkIgnoreRunner;
 
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -37,8 +40,9 @@
 import java.util.Collections;
 import java.util.List;
 
-@RunWith(AndroidJUnit4.class)
+@RunWith(DevSdkIgnoreRunner.class)
 @SmallTest
+@DevSdkIgnoreRule.IgnoreUpTo(Build.VERSION_CODES.R)
 public class DnsUtilsTest {
     private InetAddress stringToAddress(@NonNull String addr) {
         return InetAddresses.parseNumericAddress(addr);
diff --git a/tests/unit/java/android/net/util/KeepaliveUtilsTest.kt b/tests/unit/java/android/net/util/KeepaliveUtilsTest.kt
index b62bdbc..40f39a4 100644
--- a/tests/unit/java/android/net/util/KeepaliveUtilsTest.kt
+++ b/tests/unit/java/android/net/util/KeepaliveUtilsTest.kt
@@ -25,15 +25,17 @@
 import android.net.NetworkCapabilities.TRANSPORT_ETHERNET
 import android.net.NetworkCapabilities.TRANSPORT_VPN
 import android.net.NetworkCapabilities.TRANSPORT_WIFI
+import android.os.Build
 import androidx.test.filters.SmallTest
 import com.android.internal.R
+import com.android.testutils.DevSdkIgnoreRule
+import com.android.testutils.DevSdkIgnoreRunner
 import org.junit.After
 import org.junit.Assert.assertArrayEquals
 import org.junit.Assert.assertEquals
 import org.junit.Assert.fail
 import org.junit.Test
 import org.junit.runner.RunWith
-import org.junit.runners.JUnit4
 import org.mockito.ArgumentMatchers.eq
 import org.mockito.Mockito.any
 import org.mockito.Mockito.doReturn
@@ -45,8 +47,9 @@
  * Build, install and run with:
  * atest android.net.util.KeepaliveUtilsTest
  */
-@RunWith(JUnit4::class)
+@RunWith(DevSdkIgnoreRunner::class)
 @SmallTest
+@DevSdkIgnoreRule.IgnoreUpTo(Build.VERSION_CODES.R)
 class KeepaliveUtilsTest {
 
     // Prepare mocked context with given resource strings.
diff --git a/tests/unit/java/android/net/util/MultinetworkPolicyTrackerTest.kt b/tests/unit/java/android/net/util/MultinetworkPolicyTrackerTest.kt
index 78c8fa4..576b8d3 100644
--- a/tests/unit/java/android/net/util/MultinetworkPolicyTrackerTest.kt
+++ b/tests/unit/java/android/net/util/MultinetworkPolicyTrackerTest.kt
@@ -25,15 +25,17 @@
 import android.net.ConnectivitySettingsManager.NETWORK_AVOID_BAD_WIFI
 import android.net.ConnectivitySettingsManager.NETWORK_METERED_MULTIPATH_PREFERENCE
 import android.net.util.MultinetworkPolicyTracker.ActiveDataSubscriptionIdListener
+import android.os.Build
 import android.provider.Settings
 import android.telephony.SubscriptionInfo
 import android.telephony.SubscriptionManager
 import android.telephony.TelephonyManager
 import android.test.mock.MockContentResolver
 import androidx.test.filters.SmallTest
-import androidx.test.runner.AndroidJUnit4
 import com.android.connectivity.resources.R
 import com.android.internal.util.test.FakeSettingsProvider
+import com.android.testutils.DevSdkIgnoreRule
+import com.android.testutils.DevSdkIgnoreRunner
 import org.junit.After
 import org.junit.Assert.assertEquals
 import org.junit.Assert.assertFalse
@@ -57,8 +59,9 @@
  * Build, install and run with:
  * atest android.net.util.MultinetworkPolicyTrackerTest
  */
-@RunWith(AndroidJUnit4::class)
+@RunWith(DevSdkIgnoreRunner::class)
 @SmallTest
+@DevSdkIgnoreRule.IgnoreUpTo(Build.VERSION_CODES.R)
 class MultinetworkPolicyTrackerTest {
     private val resources = mock(Resources::class.java).also {
         doReturn(R.integer.config_networkAvoidBadWifi).`when`(it).getIdentifier(