pkg/unittest: remove rerunTests

pkg/unittest/lib/unittest.dart

 // Copyright (c) 2013, 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.
 
 /**
  * Support for writing Dart unit tests.
  *
  * For information on installing and importing this library, see the
  * [unittest package on pub.dartlang.org]
  * (http://pub.dartlang.org/packages/unittest).
@@ skipping 281 matching lines @@
     _testCases.clear();
   }
   ++_soloNestingLevel;
   try {
     test(spec, body);
   } finally {
     --_soloNestingLevel;
   }
 }
 
-/** Sentinel value for [_SpreadArgsHelper]. */
-class _Sentinel {
-  const _Sentinel();
-}
-
 /**
  * Indicate that [callback] is expected to be called a [count] number of times
  * (by default 1). The unittest framework will wait for the callback to run the
  * specified [count] times before it continues with the following test.  Using
  * [expectAsync0] will also ensure that errors that occur within [callback] are
  * tracked and reported. [callback] should take 0 positional arguments (named
  * arguments are not supported). [id] can be used to provide more
  * descriptive error messages if the callback is called more often than
  * expected. [max] can be used to specify an upper bound on the number of
  * calls; if this is exceeded the test will fail (or be marked as in error if
@@ skipping 159 matching lines @@
 void handleExternalError(e, String message, [stack]) {
   var msg = '$message\nCaught $e';
 
   if (currentTestCase != null) {
     currentTestCase._error(msg, stack);
   } else {
     _uncaughtErrorMessage = "$msg: $stack";
   }
 }
 
-void rerunTests() {
-  _uncaughtErrorMessage = null;
-  _initialized = true; // We don't want to reset the test array.
-  runTests();
-}
-
 /**
  * Filter the tests. [testFilter] can be a [RegExp], a [String] or a
  * predicate function. This is different to enabling/disabling tests
  * in that it removes the tests completely.
  */
 void filterTests(testFilter) {
   var filterFunction;
   if (testFilter is String) {
     RegExp re = new RegExp(testFilter);
     filterFunction = (t) => re.hasMatch(t.description);
@@ skipping 209 matching lines @@
 
   if (!filterStacks) return trace;
 
   // Format the stack trace by removing everything above TestCase._runTest,
   // which is usually going to be irrelevant. Also fold together unittest and
   // core library calls so only the function the user called is visible.
   return new Trace(trace.frames.takeWhile((frame) {
     return frame.package != 'unittest' || frame.member != 'TestCase._runTest';
   })).terse.foldFrames((frame) => frame.package == 'unittest' || frame.isCore);
 }