Add Fasta tests.

pkg/fasta/test/invocations.dart

Index: pkg/fasta/test/invocations.dart
diff --git a/pkg/fasta/test/invocations.dart b/pkg/fasta/test/invocations.dart
new file mode 100644
index 0000000000000000000000000000000000000000..aaba335c7a2f144d0ca431689aeff16f4c43aa0c
--- /dev/null
+++ b/pkg/fasta/test/invocations.dart
@@ -0,0 +1,14 @@
+// Copyright (c) 2016, 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.
+
+main() {
+  print("Hello, World!");
+  z("Hello, World!");
+  z.print("Hello, World!");
+  y.z.print("Hello, World!");
+  x.y.z.print("Hello, World!");
+
+  1 + print("Hello, World!") + z("Hello, World!") + z.print("Hello, World!")
+      + y.z.print("Hello, World!") + x.y.z.print("Hello, World!");
+}