Only consider toString value of TtsSpan for unit tests

Change-Id: I84da99d70801a6d1621de0883b801fa43ea5e5fd
diff --git a/tests/src/com/android/dialer/calllog/CallLogFragmentTest.java b/tests/src/com/android/dialer/calllog/CallLogFragmentTest.java
index b88989d..5d9a05f 100644
--- a/tests/src/com/android/dialer/calllog/CallLogFragmentTest.java
+++ b/tests/src/com/android/dialer/calllog/CallLogFragmentTest.java
@@ -627,7 +627,7 @@
     /** Asserts that the name text view is shown and contains the given text. */
     private void assertNameIs(CallLogListItemViews views, String name) {
         assertEquals(View.VISIBLE, views.phoneCallDetailsViews.nameView.getVisibility());
-        assertEquals(name, views.phoneCallDetailsViews.nameView.getText());
+        assertEquals(name, views.phoneCallDetailsViews.nameView.getText().toString());
     }
 
     /** Asserts that the label text view contains the given text. */