Cleanup: remove package "analyzer2dart".

pkg/analyzer2dart/test/test_helper.dart

Index: pkg/analyzer2dart/test/test_helper.dart
diff --git a/pkg/analyzer2dart/test/test_helper.dart b/pkg/analyzer2dart/test/test_helper.dart
deleted file mode 100644
index 86a52b0754c3f6910b82be347e74a17386eadc7f..0000000000000000000000000000000000000000
--- a/pkg/analyzer2dart/test/test_helper.dart
+++ /dev/null
@@ -1,49 +0,0 @@
-// Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-/// Helpers for defining input/output based unittests through (constant) data.
-
-import 'package:unittest/unittest.dart';
-
-/// A unittest group with a name and a list of input/output results.
-class Group {
-  final String name;
-  final List<TestSpecBase> results;
-
-  const Group(this.name, this.results);
-}
-
-/// A [input] for which a certain processing result is expected.
-class TestSpecBase {
-  final String input;
-
-  const TestSpecBase(this.input);
-}
-
-typedef TestGroup(Group group, RunTest check);
-typedef RunTest(TestSpecBase result);
-
-/// Test [data] using [testGroup] and [check].
-void performTests(List<Group> data,
-                  TestGroup testGroup,
-                  RunTest runTest,
-                  List<String> groupsToRun) {
-  for (Group group in data) {
-    if (groupsToRun.isNotEmpty &&
-        !groupsToRun.contains(group.name)) {
-      // Skip this group.
-      continue;
-    }
-    testGroup(group, runTest);
-  }
-}
-
-/// Test group using unittest.
-unittester(Group group, RunTest runTest) {
-  test(group.name, () {
-    for (TestSpecBase result in group.results) {
-      runTest(result);
-    }
-  });
-}