Add a utility class needed by the scanner

editor/tools/plugins/com.google.dart.engine_test/src/com/google/dart/engine/utilities/collection/TestAll.java

Index: editor/tools/plugins/com.google.dart.engine_test/src/com/google/dart/engine/utilities/collection/TestAll.java
===================================================================
--- editor/tools/plugins/com.google.dart.engine_test/src/com/google/dart/engine/utilities/collection/TestAll.java	(revision 0)
+++ editor/tools/plugins/com.google.dart.engine_test/src/com/google/dart/engine/utilities/collection/TestAll.java	(revision 0)
@@ -0,0 +1,25 @@
+/*
+ * Copyright (c) 2012, the Dart project authors.
+ * 
+ * Licensed under the Eclipse Public License v1.0 (the "License"); you may not use this file except
+ * in compliance with the License. You may obtain a copy of the License at
+ * 
+ * http://www.eclipse.org/legal/epl-v10.html
+ * 
+ * Unless required by applicable law or agreed to in writing, software distributed under the License
+ * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ * or implied. See the License for the specific language governing permissions and limitations under
+ * the License.
+ */
+package com.google.dart.engine.utilities.collection;
+
+import junit.framework.Test;
+import junit.framework.TestSuite;
+
+public class TestAll {
+  public static Test suite() {
+    TestSuite suite = new TestSuite("Tests in " + TestAll.class.getPackage().getName());
+    suite.addTestSuite(IntListTest.class);
+    return suite;
+  }
+}