Format all tests.

tests/lib/convert/utf8_test.dart

Index: tests/lib/convert/utf8_test.dart
diff --git a/tests/lib/convert/utf8_test.dart b/tests/lib/convert/utf8_test.dart
index c63ae8b85d26de6e1ea3bae3562fea25efbc053c..e731a2c1120b7c7a82e753326c341bd4ff5060c5 100644
--- a/tests/lib/convert/utf8_test.dart
+++ b/tests/lib/convert/utf8_test.dart
@@ -20,7 +20,7 @@ void main() {
 }
 
 void testDecodeSlice() {
-  var decoder = UTF8.decoder;  // Doesn't allow malformed.
+  var decoder = UTF8.decoder; // Doesn't allow malformed.
   var ascii = [0x41, 0x42, 0x43, 0x44, 0x45];
   Expect.equals("ABCDE", decoder.convert(ascii));
   Expect.equals("ABCDE", decoder.convert(ascii, 0));
@@ -32,8 +32,8 @@ void testDecodeSlice() {
   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
+  Expect.throws(() => decoder.convert(ascii, 0, 6)); // end > length
+  Expect.throws(() => decoder.convert(ascii, 3, 2)); // end < start
 
   var utf8 = [0xc2, 0x81, 0xc2, 0x82, 0xe1, 0x81, 0x81];
   Expect.equals("\u0081\u0082\u1041", decoder.convert(utf8));
@@ -48,10 +48,9 @@ void testDecodeSlice() {
 void testErrorOffset() {
   // Test that failed convert calls have an offset in the exception.
   testExn(input, offset) {
-    Expect.throws(() { UTF8.decoder.convert(input); },
-                  (e) => e is FormatException &&
-                         input == e.source &&
-                         offset == e.offset);
+    Expect.throws(() {
+      UTF8.decoder.convert(input);
+    }, (e) => e is FormatException && input == e.source && offset == e.offset);
   }
 
   // Bad encoding, points to first bad byte.