Format all tests.

tests/corelib_strong/regexp/lastindex_test.dart

Index: tests/corelib_strong/regexp/lastindex_test.dart
diff --git a/tests/corelib_strong/regexp/lastindex_test.dart b/tests/corelib_strong/regexp/lastindex_test.dart
index 87f9a184c5760784f615f420b04d8c1534d9a5d9..fd574299c17c5597cf7ec6f122a99091669a3b4a 100644
--- a/tests/corelib_strong/regexp/lastindex_test.dart
+++ b/tests/corelib_strong/regexp/lastindex_test.dart
@@ -33,12 +33,12 @@ void main() {
   var accumulate = "";
   var match;
   for (var match in re.allMatches("  abcdefg"))
-    accumulate += match.group(0) + "; "; 
+    accumulate += match.group(0) + "; ";
   assertEquals(accumulate, "abcdefg; ");
 
   re = new RegExp(r"\d");
   accumulate = "";
   for (var match in re.allMatches("123456789"))
-    accumulate += match.group(0) + "; "; 
+    accumulate += match.group(0) + "; ";
   assertEquals(accumulate, "1; 2; 3; 4; 5; 6; 7; 8; 9; ");
 }