Split js_backend_cps_ir tests into multiple test units.

tests/compiler/dart2js/js_backend_cps_ir_basic.dart

Index: tests/compiler/dart2js/js_backend_cps_ir_basic.dart
diff --git a/tests/compiler/dart2js/js_backend_cps_ir_basic.dart b/tests/compiler/dart2js/js_backend_cps_ir_basic.dart
deleted file mode 100644
index d10d2c2365a6ab84a588045675d4ddae812838fc..0000000000000000000000000000000000000000
--- a/tests/compiler/dart2js/js_backend_cps_ir_basic.dart
+++ /dev/null
@@ -1,103 +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.
-
-// Tests for basic functionality.
-
-library basic_tests;
-
-import 'js_backend_cps_ir_test.dart';
-
-const List<TestEntry> tests = const [
-  const TestEntry("""
-foo(a, [b = "b"]) => b;
-bar(a, {b: "b", c: "c"}) => c;
-main() {
-  foo(0);
-  foo(0, 1);
-  bar(0);
-  bar(0, b: 1);
-  bar(0, c: 1);
-  bar(0, b: 1, c: 2);
-}
-""",
-"""
-function() {
-  V.foo(0, "b");
-  V.foo(0, 1);
-  V.bar(0, "b", "c");
-  V.bar(0, 1, "c");
-  V.bar(0, "b", 1);
-  V.bar(0, 1, 2);
-  return null;
-}"""),
-  const TestEntry(
-  """
-foo(a) {
-  return a;
-}
-main() {
-  var a = 10;
-  var b = 1;
-  var t;
-  t = a;
-  a = b;
-  b = t;
-  print(a);
-  print(b);
-  print(b);
-  print(foo(a));
-}
-  """,
-  """
-function() {
-  var a, b;
-  a = 10;
-  b = 1;
-  P.print(b);
-  P.print(a);
-  P.print(a);
-  P.print(V.foo(b));
-  return null;
-}"""),
-  const TestEntry(
-  """
-foo() { return 42; }
-main() { return foo(); }
-  """,
-  """function() {
-  return V.foo();
-}"""),
-  const TestEntry("main() {}"),
-  const TestEntry("main() { return 42; }"),
-  const TestEntry("main() { return; }", """
-function() {
-  return null;
-}"""),
-  // Constructor invocation
-  const TestEntry("""
-main() {
-  print(new Set());
-  print(new Set.from([1, 2, 3]));
-}""", r"""
-function() {
-  P.print(P.Set_Set());
-  P.print(P.Set_Set$from([1, 2, 3]));
-  return null;
-}"""),
-  // Call synthetic constructor.
-  const TestEntry("""
-class C {}
-main() {
-  print(new C());
-}"""),
-  // Method invocation
-  const TestEntry("""
-main() {
-  print(new DateTime.now().isBefore(new DateTime.now()));
-}""", r"""
-function() {
-  P.print(P.DateTime$now().isBefore$1(P.DateTime$now()));
-  return null;
-}"""),
-];