Format all tests.

tests/corelib_strong/double_round_to_double_test.dart

Index: tests/corelib_strong/double_round_to_double_test.dart
diff --git a/tests/corelib_strong/double_round_to_double_test.dart b/tests/corelib_strong/double_round_to_double_test.dart
index bedfe185b0d7b6c296d04528e7d8eac6e9821645..ae2d196a6e8a455ff7c2a03ebff8dbd38fac21eb 100644
--- a/tests/corelib_strong/double_round_to_double_test.dart
+++ b/tests/corelib_strong/double_round_to_double_test.dart
@@ -30,8 +30,8 @@ main() {
   Expect.equals(-double.MAX_FINITE, (-double.MAX_FINITE).roundToDouble());
 
   Expect.equals(double.INFINITY, double.INFINITY.roundToDouble());
-  Expect.equals(double.NEGATIVE_INFINITY,
-                double.NEGATIVE_INFINITY.roundToDouble());
+  Expect.equals(
+      double.NEGATIVE_INFINITY, double.NEGATIVE_INFINITY.roundToDouble());
   Expect.isTrue(double.NAN.roundToDouble().isNaN);
 
   Expect.isTrue(0.0.roundToDouble() is double);
@@ -59,4 +59,4 @@ main() {
   Expect.isTrue((-1.0).roundToDouble() is double);
   Expect.isTrue((-1.000000000000001).roundToDouble() is double);
   Expect.isTrue((-double.MAX_FINITE).roundToDouble() is double);
-}
+}