Format all tests.

tests/corelib_strong/regexp/non-capturing-groups_test.dart

Index: tests/corelib_strong/regexp/non-capturing-groups_test.dart
diff --git a/tests/corelib_strong/regexp/non-capturing-groups_test.dart b/tests/corelib_strong/regexp/non-capturing-groups_test.dart
index a91cdab4895659ccf46d1e5e0f74f2b6e1440ce1..33a83835c27952f378c5001cdbde6d8fa381ed51 100644
--- a/tests/corelib_strong/regexp/non-capturing-groups_test.dart
+++ b/tests/corelib_strong/regexp/non-capturing-groups_test.dart
@@ -27,9 +27,8 @@ import 'package:expect/expect.dart';
 
 void main() {
   description(
-  'Test for behavior of non-capturing groups, as described in <a href="http://blog.stevenlevithan.com/archives/npcg-javascript">' +
-  'a blog post by Steven Levithan</a> and <a href="http://bugs.webkit.org/show_bug.cgi?id=14931">bug 14931</a>.'
-  );
+      'Test for behavior of non-capturing groups, as described in <a href="http://blog.stevenlevithan.com/archives/npcg-javascript">' +
+          'a blog post by Steven Levithan</a> and <a href="http://bugs.webkit.org/show_bug.cgi?id=14931">bug 14931</a>.');
 
   shouldBeTrue(new RegExp(r"(x)?\1y").hasMatch("y"));
   shouldBe(new RegExp(r"(x)?\1y").firstMatch("y"), ["y", null]);
@@ -41,7 +40,10 @@ void main() {
   Expect.listEquals("y".split(new RegExp(r"(x)?y")), ["", ""]);
   assertEquals("y".indexOf(new RegExp(r"(x)?\1y")), 0);
   assertEquals("y".replaceAll(new RegExp(r"(x)?\1y"), "z"), "z");
-  assertEquals("y".replaceAllMapped(new RegExp(r"(x)?y"), (m) => m.group(1)), "null");
-  assertEquals("y".replaceAllMapped(new RegExp(r"(x)?\1y"), (m) => m.group(1)), "null");
-  assertEquals("y".replaceAllMapped(new RegExp(r"(x)?y"), (m) => m.group(1)), "null");
+  assertEquals(
+      "y".replaceAllMapped(new RegExp(r"(x)?y"), (m) => m.group(1)), "null");
+  assertEquals(
+      "y".replaceAllMapped(new RegExp(r"(x)?\1y"), (m) => m.group(1)), "null");
+  assertEquals(
+      "y".replaceAllMapped(new RegExp(r"(x)?y"), (m) => m.group(1)), "null");
 }