Format all tests.

tests/lib_strong/mirrors/parameter_metadata_test.dart

Index: tests/lib_strong/mirrors/parameter_metadata_test.dart
diff --git a/tests/lib_strong/mirrors/parameter_metadata_test.dart b/tests/lib_strong/mirrors/parameter_metadata_test.dart
index 9f49450ea4b53a630e9258ef2fc49c61c3212c09..433783695ee566370174e8690c6c52ebd88d8aa9 100644
--- a/tests/lib_strong/mirrors/parameter_metadata_test.dart
+++ b/tests/lib_strong/mirrors/parameter_metadata_test.dart
@@ -23,7 +23,7 @@ class B {
   factory B.bar(@m3 @m2 int z, x) {}
 
   baz(@m1 final int x, @m2 int y, @m3 final int z) {}
-  qux(int x, [@m3 @m2 @m1 int y= 3 + 1]) {}
+  qux(int x, [@m3 @m2 @m1 int y = 3 + 1]) {}
   quux(int x, {String str: "foo"}) {}
   corge({@m1 int x: 3 * 17, @m2 String str: "bar"}) {}