Fix a bunch of tests.

test/validator/name_test.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.
 
 import 'package:path/path.dart' as path;
 import 'package:pub/src/entrypoint.dart';
 import 'package:pub/src/io.dart';
 import 'package:pub/src/validator.dart';
 import 'package:pub/src/validator/name.dart';
 import 'package:scheduled_test/scheduled_test.dart';
@@ skipping 28 matching lines @@
           d.file("_test_pkg.dart", "int i = 1;")
         ])
       ]).create();
       expectNoValidationError(name);
     });
   });
 
   group('should consider a package invalid if it', () {
     setUp(d.validPackage.create);
 
-    integration('has an empty package name', () {
-      d.dir(appPath, [d.libPubspec("", "1.0.0")]).create();
-      expectValidationError(name);
-    });
-
-    integration('has a package name with an invalid character', () {
-      d.dir(appPath, [d.libPubspec("test-pkg", "1.0.0")]).create();
-      expectValidationError(name);
-    });
-
-    integration('has a package name that begins with a number', () {
-      d.dir(appPath, [d.libPubspec("8ball", "1.0.0")]).create();
-      expectValidationError(name);
-    });
-
     integration('has a package name that contains upper-case letters', () {
       d.dir(appPath, [d.libPubspec("TestPkg", "1.0.0")]).create();
       expectValidationWarning(name);
     });
 
-    integration('has a package name that is a Dart reserved word', () {
-      d.dir(appPath, [d.libPubspec("final", "1.0.0")]).create();
-      expectValidationError(name);
-    });
-
     integration('has a library name with an invalid character', () {
       d.dir(appPath, [
         d.libPubspec("test_pkg", "1.0.0"),
         d.dir("lib", [d.file("test-pkg.dart", "int i = 0;")])
       ]).create();
       expectValidationWarning(name);
     });
 
     integration('has a library name that begins with a number', () {
       d.dir(appPath, [
@@ skipping 22 matching lines @@
     integration('has a single library named differently than the package', () {
       schedule(() =>
           deleteEntry(path.join(sandboxDir, appPath, "lib", "test_pkg.dart")));
       d.dir(appPath, [
         d.dir("lib", [d.file("best_pkg.dart", "int i = 0;")])
       ]).create();
       expectValidationWarning(name);
     });
   });
 }