Format all tests.

tests/language_strong/truncdiv_test.dart

Index: tests/language_strong/truncdiv_test.dart
diff --git a/tests/language_strong/truncdiv_test.dart b/tests/language_strong/truncdiv_test.dart
index 8a00c73c27ae4e8bfb50373e0d3c90ba91cec487..f6b0cc39952f67d3b21ebf23977834aefe3d0429 100644
--- a/tests/language_strong/truncdiv_test.dart
+++ b/tests/language_strong/truncdiv_test.dart
@@ -6,7 +6,6 @@
 
 import "package:expect/expect.dart";
 
-
 main() {
   for (int i = -30; i < 30; i++) {
     Expect.equals(i % 9, foo(i, 9));
@@ -24,7 +23,7 @@ main() {
 foo(i, x) => i % x;
 
 foo2(i) {
-  // Make sure x has a range computed. 
+  // Make sure x has a range computed.
   var x = 0;
   if (i < 0) {
     x = -i;
@@ -32,4 +31,4 @@ foo2(i) {
     x = i;
   }
   return i ~/ x;
-}
+}