Reorganize tests for samples so the test is discoverable from the sample

samples/tests/samples/lib/touch/touch_test.dart

Index: samples/tests/samples/lib/touch/touch_test.dart
diff --git a/samples/tests/samples/lib/touch/touch_test.dart b/samples/tests/samples/lib/touch/touch_test.dart
deleted file mode 100644
index cc3d6d6a923c9fae84c46ac4b0c91b02489a2741..0000000000000000000000000000000000000000
--- a/samples/tests/samples/lib/touch/touch_test.dart
+++ /dev/null
@@ -1,52 +0,0 @@
-// Copyright (c) 2011, 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.
-
-library touchTests;
-
-import 'dart:html'; // TODO(rnystrom): Only needed to tell architecture.py
-                      // that this is a web test. Come up with cleaner solution.
-import '../../../../../pkg/unittest/lib/unittest.dart';
-import '../../../../../pkg/unittest/lib/html_config.dart';
-import '../../../../swarm/swarm_ui_lib/touch/touch.dart';
-
-main() {
-  useHtmlConfiguration();
-  test('Solver', () {
-    expect(Solver.solve((x) => x * x, 81, 10), closeTo(9, 0.1));
-    expect(Solver.solve((x) => x * x, 0, 10), closeTo(0, 0.1));
-    expect(Solver.solve((x) => x * x, 1.5625, 10), closeTo(1.25, 0.1));
-    expect(Solver.solve((x) => 1 / x, 10, 1), closeTo(0.1, 0.1));
-  });
-
-  group('Momentum', () {
-    test('SingleDimensionPhysics', () {
-      expect(new SingleDimensionPhysics().solve(0, 0, 1), equals(0));
-      expect(new SingleDimensionPhysics().solve(0, 5, 1), equals(0));
-      expect(new SingleDimensionPhysics().solve(0, 100, 1), equals(0));
-      expect(new SingleDimensionPhysics().solve(0, 100, 0.5), equals(0));
-    });
-
-    test('TimeoutMomentum()', () {
-      final delegate = new TestMomentumDelegate();
-      final momentum = new TimeoutMomentum(null);
-    });
-  });
-}
-
-class TestMomentumDelegate {
-  Function onDecelerateCallback;
-  Function onDecelerationEndCallback;
-
-  void onDecelerate(num x, num y,
-                    [num duration = 0, String timingFunction = null]) {
-     onDecelerateCallback(x, y, duration, timingFunction);
-  }
-
-  /**
-   * Callback for end of deceleration.
-   */
-  void onDecelerationEnd() {
-    onDecelerationEndCallback();
-  }
-}