Move spaces from before comments to within comments

tests/lib_strong/convert/utf8_test.dart

Index: tests/lib_strong/convert/utf8_test.dart
diff --git a/tests/lib_strong/convert/utf8_test.dart b/tests/lib_strong/convert/utf8_test.dart
index cc4c7f5912006d46f879fbf1517c6b9d8086a225..9713b169b6c9b2b1672866c9278cc71a90b816b5 100644
--- a/tests/lib_strong/convert/utf8_test.dart
+++ b/tests/lib_strong/convert/utf8_test.dart
@@ -28,8 +28,8 @@ void testDecodeSlice() {
   Expect.equals("BCD", decoder.convert(ascii, 1, 4));
   Expect.equals("ABCD", decoder.convert(ascii, 0, 4));
 
-  Expect.throws(() => decoder.convert(ascii, -1));    // start < 0.
-  Expect.throws(() => decoder.convert(ascii, 6));     // start > length
+  Expect.throws(() => decoder.convert(ascii, -1)); //    start < 0.
+  Expect.throws(() => decoder.convert(ascii, 6)); //     start > length
   Expect.throws(() => decoder.convert(ascii, 0, -1)); // end < 0
   Expect.throws(() => decoder.convert(ascii, 0, 6));  // end > length
   Expect.throws(() => decoder.convert(ascii, 3, 2));  // end < start