Revert last 4 commits by lrn@

pkg/analyzer/test/src/task/dart_test.dart

Index: pkg/analyzer/test/src/task/dart_test.dart
diff --git a/pkg/analyzer/test/src/task/dart_test.dart b/pkg/analyzer/test/src/task/dart_test.dart
index f043d2a904798735b5e257e17216b68d21d65de8..d20b9b29d9eed60b65154c94bd8cc7365352933c 100644
--- a/pkg/analyzer/test/src/task/dart_test.dart
+++ b/pkg/analyzer/test/src/task/dart_test.dart
@@ -870,37 +870,8 @@ part of my_lib;
 part of my_lib;
 '''
     });
-    if (context.analysisOptions.enableUriInPartOf) {
-      // TODO(28522)
-      // Should report that names are wrong.
-    } else {
-      _assertErrorsWithCodes(
-          [ResolverErrorCode.MISSING_LIBRARY_DIRECTIVE_WITH_PART]);
-      AnalysisError error = errorListener.errors[0];
-    }
-  }
-
-  test_perform_error_missingLibraryDirectiveWithPart_noCommon() {
-    _performBuildTask({
-      '/lib.dart': '''
-part 'partA.dart';
-part 'partB.dart';
-''',
-      '/partA.dart': '''
-part of libA;
-        ''',
-      '/partB.dart': '''
-part of libB;
-'''
-    });
-    if (context.analysisOptions.enableUriInPartOf) {
-      // TODO(28522)
-      // Should report that names are wrong.
-    } else {
-      _assertErrorsWithCodes(
-          [ResolverErrorCode.MISSING_LIBRARY_DIRECTIVE_WITH_PART]);
-      AnalysisError error = errorListener.errors[0];
-    }
+    _assertErrorsWithCodes(
+        [ResolverErrorCode.MISSING_LIBRARY_DIRECTIVE_WITH_PART]);
   }
 
   test_perform_error_partDoesNotExist() {