Spelling fixes e to i.

tests/corelib/regexp/UC16_test.dart

 // Copyright (c) 2014, the Dart project authors. All rights reserved.
 // Copyright 2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
@@ skipping 14 matching lines @@
 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 import 'v8_regexp_utils.dart';
 import 'package:expect/expect.dart';
 
 void main() {
   // UC16
   // Characters used:
-  // "\u03a3\u03c2\u03c3\u039b\u03bb" - Sigma, final sigma, sigma, Lambda, lamda
+  // "\u03a3\u03c2\u03c3\u039b\u03bb" - Sigma, final sigma, sigma, Lambda,
+  // lambda
   shouldBe(
       new RegExp(r"x(.)\1x", caseSensitive: false).firstMatch("x\u03a3\u03c3x"),
       ["x\u03a3\u03c3x", "\u03a3"],
       "backref-UC16");
   assertFalse(
       new RegExp(r"x(...)\1", caseSensitive: false)
           .hasMatch("x\u03a3\u03c2\u03c3\u03c2\u03c3"),
       "\1 ASCII, string short");
   assertTrue(
       new RegExp(r"\u03a3((?:))\1\1x", caseSensitive: false)
@@ skipping 15 matching lines @@
       [longUC16String, longUC16String.substring(1, 4)],
       "backref-UC16-twice");
 
   assertFalse(new RegExp(r"\xc1", caseSensitive: false).hasMatch('fooA'),
       "quickcheck-uc16-pattern-ascii-subject");
   assertFalse(new RegExp(r"[\xe9]").hasMatch('i'),
       "charclass-uc16-pattern-ascii-subject");
   assertFalse(new RegExp(r"\u5e74|\u6708").hasMatch('t'),
       "alternation-uc16-pattern-ascii-subject");
 }