Spit pub tests into smaller suites.

utils/tests/pub/install/hosted/check_out_transitive_test.dart

+// Copyright (c) 2012, 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('pub_tests');
+
+#import('dart:io');
+
+#import('../../test_pub.dart');
+#import('../../../../../pkg/unittest/unittest.dart');
+
+main() {
+  test('checks out packages transitively from a pub server', () {
+    servePackages([
+      package("foo", "1.2.3", [dependency("bar", "2.0.4")]),
+      package("bar", "2.0.3"),
+      package("bar", "2.0.4"),
+      package("bar", "2.0.5")
+    ]);
+
+    appDir([dependency("foo", "1.2.3")]).scheduleCreate();
+
+    schedulePub(args: ['install'],
+        output: const RegExp("Dependencies installed!\$"));
+
+    cacheDir({"foo": "1.2.3", "bar": "2.0.4"}).scheduleValidate();
+    packagesDir({"foo": "1.2.3", "bar": "2.0.4"}).scheduleValidate();
+
+    run();
+  });
+}