Use JUnit assertions instead of Truth assertions.

The format of Truth's failure messages is about to change, which would break these tests.

Alternatively, I could modify these tests to accept both the old and new Truth message formats, but ideally most tests wouldn't rely on the exact message format at all.
(That suggests that an even better approach might be to just throw an exception whose message is a fixed string. That would avoid relying even on JUnit's message format, unlikely as I think that is to change.)

RELNOTES: None.
PiperOrigin-RevId: 190617095
diff --git a/src/java_tools/junitrunner/javatests/com/google/testing/junit/runner/junit4/JUnit4RunnerTest.java b/src/java_tools/junitrunner/javatests/com/google/testing/junit/runner/junit4/JUnit4RunnerTest.java
index b8bff63..1e5b824 100644
--- a/src/java_tools/junitrunner/javatests/com/google/testing/junit/runner/junit4/JUnit4RunnerTest.java
+++ b/src/java_tools/junitrunner/javatests/com/google/testing/junit/runner/junit4/JUnit4RunnerTest.java
@@ -16,6 +16,7 @@
 
 import static com.google.common.truth.Truth.assertThat;
 import static com.google.common.truth.Truth.assertWithMessage;
+import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.fail;
 import static org.mockito.Matchers.any;
 import static org.mockito.Matchers.anyListOf;
@@ -490,7 +491,8 @@
 
     @Test
     public void testThatAlwaysFails() {
-      assertThat("Test \u65E5本.").isEqualTo("Test Japan.");
+      // Use JUnit asserts instead of Truth, since Truth's message format is subject to change.
+      assertEquals("Test Japan.", "Test \u65E5本.");
     }
   }
 
diff --git a/src/java_tools/junitrunner/javatests/com/google/testing/junit/runner/testbed/InternationalCharsTest.java b/src/java_tools/junitrunner/javatests/com/google/testing/junit/runner/testbed/InternationalCharsTest.java
index 7d3c1c8..030ee35 100644
--- a/src/java_tools/junitrunner/javatests/com/google/testing/junit/runner/testbed/InternationalCharsTest.java
+++ b/src/java_tools/junitrunner/javatests/com/google/testing/junit/runner/testbed/InternationalCharsTest.java
@@ -14,8 +14,6 @@
 
 package com.google.testing.junit.runner.testbed;
 
-import static com.google.common.truth.Truth.assertThat;
-
 import junit.framework.TestCase;
 
 /**
@@ -24,6 +22,7 @@
  */
 public class InternationalCharsTest extends TestCase {
   public void testThatAlwaysFails() {
-    assertThat("Test \u65E5本.").isEqualTo("Test Japan.");
+    // Use JUnit asserts instead of Truth, since Truth's message format is subject to change.
+    assertEquals("Test Japan.", "Test \u65E5本.");
   }
 }