Format all tests.

tests/language/double_to_string_as_exponential2_test.dart

 // Copyright (c) 2012, 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.
 // Test basic integer operations.
 
 import "package:expect/expect.dart";
 
 main() {
   var v = 1.0;
-  Expect.throws(() => v.toStringAsExponential(-1),
-                (e) => e is RangeError);
-  Expect.throws(() => v.toStringAsExponential(21),
-                (e) => e is RangeError);
+  Expect.throws(() => v.toStringAsExponential(-1), (e) => e is RangeError);
+  Expect.throws(() => v.toStringAsExponential(21), (e) => e is RangeError);
   Expect.throws(() => v.toStringAsExponential(1.5),
-                (e) => e is ArgumentError || e is TypeError);
+      (e) => e is ArgumentError || e is TypeError);
   Expect.throws(() => v.toStringAsExponential("string"),
-                (e) => e is ArgumentError || e is TypeError);
+      (e) => e is ArgumentError || e is TypeError);
   Expect.throws(() => v.toStringAsExponential("3"),
-                (e) => e is ArgumentError || e is TypeError);
+      (e) => e is ArgumentError || e is TypeError);
 }