Remove accidentally added call to setClassName in test.

PiperOrigin-RevId: 210365824
diff --git a/src/test/java/com/google/devtools/build/lib/runtime/TestSummaryTest.java b/src/test/java/com/google/devtools/build/lib/runtime/TestSummaryTest.java
index c48ebbc..6bee1df 100644
--- a/src/test/java/com/google/devtools/build/lib/runtime/TestSummaryTest.java
+++ b/src/test/java/com/google/devtools/build/lib/runtime/TestSummaryTest.java
@@ -438,7 +438,6 @@
   public void testCollectingFailedDetails() throws Exception {
     TestCase rootCase = TestCase.newBuilder()
         .setName("tests")
-        .setClassName("testclass")
         .setRunDurationMillis(5000L)
         .addChild(newDetail("apple", TestCase.Status.FAILED, 1000L))
         .addChild(newDetail("banana", TestCase.Status.PASSED, 1000L))