Format all tests.

tests/lib_strong/mirrors/regress_19731_test.dart

Index: tests/lib_strong/mirrors/regress_19731_test.dart
diff --git a/tests/lib_strong/mirrors/regress_19731_test.dart b/tests/lib_strong/mirrors/regress_19731_test.dart
index b3680028c1b9cbc18657c88d400be17ee64a62f0..e56bb354fc8aa845f707f92c51eeb49efad72e03 100644
--- a/tests/lib_strong/mirrors/regress_19731_test.dart
+++ b/tests/lib_strong/mirrors/regress_19731_test.dart
@@ -25,11 +25,15 @@ method() {}
 main() {
   var classMirror = reflectType(OneField);
   var classFieldNames = classMirror.declarations.values
-    .where((v) => v is VariableMirror).map((v) => v.simpleName).toList();
+      .where((v) => v is VariableMirror)
+      .map((v) => v.simpleName)
+      .toList();
   Expect.setEquals([#onlyClassField], classFieldNames);
 
   var libraryMirror = classMirror.owner;
   var libraryFieldNames = libraryMirror.declarations.values
-    .where((v) => v is VariableMirror).map((v) => v.simpleName).toList();
+      .where((v) => v is VariableMirror)
+      .map((v) => v.simpleName)
+      .toList();
   Expect.setEquals([#metadata], libraryFieldNames);
 }