Remove use of deprecated test functions.

tests/lib/logging/logging_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('logging_test');
 
 #import('../../../lib/logging/logging.dart');
 #import('../../../lib/unittest/unittest.dart');
 
@@ skipping 47 matching lines @@
 
   test('levels are hashable', () {
     var map = new Map<Level, String>();
     map[Level.INFO] = 'info';
     map[Level.SHOUT] = 'shout';
     expect(map[Level.INFO], equals('info'));
     expect(map[Level.SHOUT], equals('shout'));
   });
 
   test('logger name cannot start with a "." ', () {
-    expectThrow(() => new Logger('.c'));
+    expect(() => new Logger('.c'), throws);
   });
 
   test('logger naming is hierarchical', () {
     Logger c = new Logger('a.b.c');
     expect(c.name, equals('c'));
     expect(c.parent.name, equals('b'));
     expect(c.parent.parent.name, equals('a'));
     expect(c.parent.parent.parent.name, equals(''));
     expect(c.parent.parent.parent.parent, isNull);
   });
@@ skipping 48 matching lines @@
       a.on.record.clear();
       b.on.record.clear();
       c.on.record.clear();
       d.on.record.clear();
       e.on.record.clear();
       hierarchicalLoggingEnabled = false;
       root.level = Level.INFO;
     });
 
     test('cannot set level if hierarchy is disabled', () {
-      expectThrow(() {a.level = Level.FINE;});
+      expect(() {a.level = Level.FINE;}, throws);
     });
 
     test('loggers effective level - no hierarchy', () {
       expect(root.level, equals(Level.INFO));
       expect(a.level, equals(Level.INFO));
       expect(b.level, equals(Level.INFO));
 
       root.level = Level.SHOUT;
 
       expect(root.level, equals(Level.SHOUT));
@@ skipping 179 matching lines @@
             'SHOUT: 10']));
 
       expect(cMessages, equals([
             // 1 - 7 are lower in the hierarchy
             // 'FINE: 8' is not loggable
             'WARNING: 9',
             'SHOUT: 10']));
     });
   });
 }