Remove unittest and matcher from the repo.

pkg/matcher/test/string_matchers_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 matcher.string_matchers_test;
-
-import 'package:matcher/matcher.dart';
-import 'package:unittest/unittest.dart' show test, group;
-
-import 'test_utils.dart';
-
-void main() {
-  initUtils();
-
-  test('collapseWhitespace', () {
-    var source = '\t\r\n hello\t\r\n world\r\t \n';
-    expect(collapseWhitespace(source), 'hello world');
-  });
-
-  test('isEmpty', () {
-    shouldPass('', isEmpty);
-    shouldFail(null, isEmpty, "Expected: empty Actual: <null>");
-    shouldFail(0, isEmpty, "Expected: empty Actual: <0>");
-    shouldFail('a', isEmpty, "Expected: empty Actual: 'a'");
-  });
-
-  test('isNotEmpty', () {
-    shouldFail('', isNotEmpty, "Expected: non-empty Actual: ''");
-    shouldFail(null, isNotEmpty, "Expected: non-empty Actual: <null>");
-    shouldFail(0, isNotEmpty, "Expected: non-empty Actual: <0>");
-    shouldPass('a', isNotEmpty);
-  });
-
-  test('equalsIgnoringCase', () {
-    shouldPass('hello', equalsIgnoringCase('HELLO'));
-    shouldFail('hi', equalsIgnoringCase('HELLO'),
-        "Expected: 'HELLO' ignoring case Actual: 'hi'");
-  });
-
-  test('equalsIgnoringWhitespace', () {
-    shouldPass(' hello   world  ', equalsIgnoringWhitespace('hello world'));
-    shouldFail(' helloworld  ', equalsIgnoringWhitespace('hello world'),
-        "Expected: 'hello world' ignoring whitespace "
-        "Actual: ' helloworld ' "
-        "Which: is 'helloworld' with whitespace compressed");
-  });
-
-  test('startsWith', () {
-    shouldPass('hello', startsWith(''));
-    shouldPass('hello', startsWith('hell'));
-    shouldPass('hello', startsWith('hello'));
-    shouldFail('hello', startsWith('hello '),
-        "Expected: a string starting with 'hello ' "
-        "Actual: 'hello'");
-  });
-
-  test('endsWith', () {
-    shouldPass('hello', endsWith(''));
-    shouldPass('hello', endsWith('lo'));
-    shouldPass('hello', endsWith('hello'));
-    shouldFail('hello', endsWith(' hello'),
-        "Expected: a string ending with ' hello' "
-        "Actual: 'hello'");
-  });
-
-  test('contains', () {
-    shouldPass('hello', contains(''));
-    shouldPass('hello', contains('h'));
-    shouldPass('hello', contains('o'));
-    shouldPass('hello', contains('hell'));
-    shouldPass('hello', contains('hello'));
-    shouldFail('hello', contains(' '),
-        "Expected: contains ' ' Actual: 'hello'");
-  });
-
-  test('stringContainsInOrder', () {
-    shouldPass('goodbye cruel world', stringContainsInOrder(['']));
-    shouldPass('goodbye cruel world', stringContainsInOrder(['goodbye']));
-    shouldPass('goodbye cruel world', stringContainsInOrder(['cruel']));
-    shouldPass('goodbye cruel world', stringContainsInOrder(['world']));
-    shouldPass('goodbye cruel world',
-               stringContainsInOrder(['good', 'bye', 'world']));
-    shouldPass('goodbye cruel world',
-               stringContainsInOrder(['goodbye', 'cruel']));
-    shouldPass('goodbye cruel world',
-               stringContainsInOrder(['cruel', 'world']));
-    shouldPass('goodbye cruel world',
-      stringContainsInOrder(['goodbye', 'cruel', 'world']));
-    shouldFail('goodbye cruel world',
-      stringContainsInOrder(['goo', 'cruel', 'bye']),
-      "Expected: a string containing 'goo', 'cruel', 'bye' in order "
-      "Actual: 'goodbye cruel world'");
-  });
-
-  test('matches', () {
-    shouldPass('c0d', matches('[a-z][0-9][a-z]'));
-    shouldPass('c0d', matches(new RegExp('[a-z][0-9][a-z]')));
-    shouldFail('cOd', matches('[a-z][0-9][a-z]'),
-        "Expected: match '[a-z][0-9][a-z]' Actual: 'cOd'");
-  });
-}