New analyzer_experimental snapshot.

editor/util/plugins/com.google.dart.java2dart/resources/java_junit.dart

 library java.junit;
 
 import 'package:unittest/unittest.dart' hide fail;
 import 'package:unittest/unittest.dart' as _ut show fail;
 
 
 class JUnitTestCase {
   void setUp() {}
   void tearDown() {}
   static void fail(String msg) {
@@ skipping 57 matching lines @@
 class _EqualsWithMessage extends BaseMatcher {
   final String msg;
   final expectedValue;
   const _EqualsWithMessage(this.msg, this.expectedValue);
   bool matches(item, Map matchState) {
     return item == expectedValue;
   }
   Description describe(Description mismatchDescription) {
     return mismatchDescription.replace(msg);
   }
-  Description describeMismatch(item, Description mismatchDescription,
-                               Map matchState, bool verbose) {
-    return mismatchDescription.replace(msg).add(" $item != $expectedValue");
-  }
 }
 
 Matcher isTrueMsg(String msg) => new _IsTrueWithMessage(msg);
 class _IsTrueWithMessage extends BaseMatcher {
   final String msg;
   const _IsTrueWithMessage(this.msg);
   bool matches(item, Map matchState) {
     return item == true;
   }
   Description describe(Description mismatchDescription) {
     return mismatchDescription.replace(msg);
   }
-  Description describeMismatch(item, Description mismatchDescription,
-                               Map matchState, bool verbose) {
-    return mismatchDescription.replace(msg).add(" $item is not true");
-  }
 }
 
 Matcher isFalseMsg(String msg) => new _IsFalseWithMessage(msg);
 class _IsFalseWithMessage extends BaseMatcher {
   final String msg;
   const _IsFalseWithMessage(this.msg);
   bool matches(item, Map matchState) {
     return item == false;
   }
   Description describe(Description mismatchDescription) {
     return mismatchDescription.replace(msg);
   }
-  Description describeMismatch(item, Description mismatchDescription,
-                               Map matchState, bool verbose) {
-    return mismatchDescription.replace(msg).add(" $item is not false");
-  }
 }
 
 Matcher isNotNullMsg(String msg) => new _IsNotNullWithMessage(msg);
 class _IsNotNullWithMessage extends BaseMatcher {
   final String msg;
   const _IsNotNullWithMessage(this.msg);
   bool matches(item, Map matchState) {
     return item != null;
   }
   Description describe(Description mismatchDescription) {
     return mismatchDescription.replace(msg);
   }
-  Description describeMismatch(item, Description mismatchDescription,
-                               Map matchState, bool verbose) {
-    return mismatchDescription.replace(msg).add(" $item is null");
-  }
 }