Fix some tests and exclude others from CRLF rewriting.

tests/lib/convert/utf84_test.dart

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 import 'package:expect/expect.dart';
 import 'dart:convert';
 
 const String testEnglishPhrase =
     "The quick brown fox jumps over the lazy dog.";
 
@@ skipping 69 matching lines @@
     0xbd, 0xb2, 0xcf, 0x82, 0x20, 0xce, 0xb4, 0xe1,
     0xbd, 0xb2, 0xce, 0xbd, 0x20, 0xce, 0xb8, 0xe1,
     0xbd, 0xb0, 0x20, 0xce, 0xb2, 0xcf, 0x81, 0xe1,
     0xbf, 0xb6, 0x20, 0xcf, 0x80, 0xce, 0xb9, 0xe1,
     0xbd, 0xb0, 0x20, 0xcf, 0x83, 0xcf, 0x84, 0xe1,
     0xbd, 0xb8, 0x20, 0xcf, 0x87, 0xcf, 0x81, 0xcf,
     0x85, 0xcf, 0x83, 0xce, 0xb1, 0xcf, 0x86, 0xe1,
     0xbd, 0xb6, 0x20, 0xce, 0xbe, 0xce, 0xad, 0xcf,
     0x86, 0xcf, 0x89, 0xcf, 0x84, 0xce, 0xbf];
 
-const String testKatakanaPhrase = """
-イロハニホヘト チリヌルヲ ワカヨタレソ ツネナラム
-ウヰノオクヤマ ケフコエテ アサキユメミシ ヱヒモセスン""";
+const String testKatakanaPhrase = "イロハニホヘト チリヌルヲ ワカヨタレソ "
+    "ツネナラム ウヰノオクヤマ ケフコエテ アサキユメミシ ヱヒモセスン";
 
 const List<int> testKatakanaUtf8 = const<int>[
     0xe3, 0x82, 0xa4, 0xe3, 0x83, 0xad, 0xe3, 0x83,
     0x8f, 0xe3, 0x83, 0x8b, 0xe3, 0x83, 0x9b, 0xe3,
     0x83, 0x98, 0xe3, 0x83, 0x88, 0x20, 0xe3, 0x83,
     0x81, 0xe3, 0x83, 0xaa, 0xe3, 0x83, 0x8c, 0xe3,
     0x83, 0xab, 0xe3, 0x83, 0xb2, 0x20, 0xe3, 0x83,
     0xaf, 0xe3, 0x82, 0xab, 0xe3, 0x83, 0xa8, 0xe3,
     0x82, 0xbf, 0xe3, 0x83, 0xac, 0xe3, 0x82, 0xbd,
     0x20, 0xe3, 0x83, 0x84, 0xe3, 0x83, 0x8d, 0xe3,
     0x83, 0x8a, 0xe3, 0x83, 0xa9, 0xe3, 0x83, 0xa0,
-    0x0a, 0xe3, 0x82, 0xa6, 0xe3, 0x83, 0xb0, 0xe3,
+    0x20, 0xe3, 0x82, 0xa6, 0xe3, 0x83, 0xb0, 0xe3,
     0x83, 0x8e, 0xe3, 0x82, 0xaa, 0xe3, 0x82, 0xaf,
     0xe3, 0x83, 0xa4, 0xe3, 0x83, 0x9e, 0x20, 0xe3,
     0x82, 0xb1, 0xe3, 0x83, 0x95, 0xe3, 0x82, 0xb3,
     0xe3, 0x82, 0xa8, 0xe3, 0x83, 0x86, 0x20, 0xe3,
     0x82, 0xa2, 0xe3, 0x82, 0xb5, 0xe3, 0x82, 0xad,
     0xe3, 0x83, 0xa6, 0xe3, 0x83, 0xa1, 0xe3, 0x83,
     0x9f, 0xe3, 0x82, 0xb7, 0x20, 0xe3, 0x83, 0xb1,
     0xe3, 0x83, 0x92, 0xe3, 0x83, 0xa2, 0xe3, 0x82,
     0xbb, 0xe3, 0x82, 0xb9, 0xe3, 0x83, 0xb3];
 
@@ skipping 317 matching lines @@
 
   Expect.stringEquals(testRussianPhrase,
       decodeUtf8(testRussianUtf8), "Russian");
 
   Expect.stringEquals(testGreekPhrase,
       decodeUtf8(testGreekUtf8), "Greek");
 
   Expect.stringEquals(testKatakanaPhrase,
       decodeUtf8(testKatakanaUtf8), "Katakana");
 }