Remove uses of unittest in the HTML tests where possible.

pkg/dev_compiler/test/codegen/lib/html/typed_arrays_dataview_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.
 
-library typed_arrays_dataview_test;
-import 'package:unittest/unittest.dart';
-import 'package:unittest/html_config.dart';
 import 'dart:html';
 import 'dart:typed_data';
 
+import 'package:expect/minitest.dart';
+
 main() {
-  useHtmlConfiguration();
-
   // Only perform tests if ArrayBuffer is supported.
   if (!Platform.supportsTypedData) {
     return;
   }
 
   test('create', () {
     var bd = new ByteData(100);
     expect(bd.lengthInBytes, 100);
     expect(bd.offsetInBytes, 0);
 
@@ skipping 59 matching lines @@
     expect(bd.getInt32(0), equals(1023));
     expect(bd.getInt32(0, Endianness.BIG_ENDIAN), equals(1023));
     expect(bd.getInt32(0, Endianness.LITTLE_ENDIAN), equals(-0xFD0000));
 
     expect(bd.getUint32(0), equals(1023));
     expect(bd.getUint32(0, Endianness.BIG_ENDIAN), equals(1023));
     expect(bd.getUint32(0, Endianness.LITTLE_ENDIAN), equals(0xFF030000));
   });
 
 }