Format all tests.

tests/language_strong/prefix17_test.dart

Index: tests/language_strong/prefix17_test.dart
diff --git a/tests/language_strong/prefix17_test.dart b/tests/language_strong/prefix17_test.dart
index bf8ebb735e2d8edd89a2e1c793416ed041ba5b68..500911ddb7508a3680d47e3f67d41416bbaf3242 100644
--- a/tests/language_strong/prefix17_test.dart
+++ b/tests/language_strong/prefix17_test.dart
@@ -3,6 +3,7 @@
 // BSD-style license that can be found in the LICENSE file.
 
 library Prefix17Test.dart;
+
 import "library12.dart" as lib12;
 
 class LocalClass {
@@ -13,7 +14,7 @@ void main() {
   LocalClass.static_fld = 42;
   var lc1 = new lib12.Library12(5);
   lib12.Library12 lc2 = new lib12.Library12(10);
-  lib12.Library12 lc2m = new lib12.Library12.other(10,2);
+  lib12.Library12 lc2m = new lib12.Library12.other(10, 2);
   lib12.Library12.static_fld = 43;
   //print("${LocalClass.static_fld}, ${lc1.fld}, ${lc2.fld}, ${lc2m.fld}, ${lib12.Library12.static_fld}");
 }