Use an import prefix in the analysis server tests; this fixes some issues conflicting with the

pkg/analysis_server/test/integration/analysis/get_hover_test.dart

 // Copyright (c) 2014, 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 test.integration.analysis.get.hover;
 
 import 'dart:async';
 
 import 'package:analysis_server/plugin/protocol/protocol.dart';
-import 'package:path/path.dart';
+import 'package:path/path.dart' as path;
 import 'package:test/test.dart';
 import 'package:test_reflective_loader/test_reflective_loader.dart';
 
 import '../integration_tests.dart';
 
 main() {
   defineReflectiveSuite(() {
     defineReflectiveTests(AnalysisGetHoverIntegrationTest);
   });
 }
@@ skipping 50 matching lines @@
       bool isLiteral: false,
       List<String> parameterRegexps: null,
       propagatedType: null}) {
     int offset = text.indexOf(target);
     return sendAnalysisGetHover(pathname, offset).then((result) {
       expect(result.hovers, hasLength(1));
       HoverInformation info = result.hovers[0];
       expect(info.offset, equals(offset));
       expect(info.length, equals(length));
       if (isCore) {
-        expect(basename(info.containingLibraryPath), equals('core.dart'));
+        expect(path.basename(info.containingLibraryPath), equals('core.dart'));
         expect(info.containingLibraryName, equals('dart.core'));
       } else if (isLocal || isLiteral) {
         expect(info.containingLibraryPath, isNull);
         expect(info.containingLibraryName, isNull);
       } else {
         expect(info.containingLibraryPath, equals(pathname));
         expect(info.containingLibraryName, equals('lib.test'));
       }
       if (docRegexp == null) {
         expect(info.dartdoc, isNull);
@@ skipping 90 matching lines @@
       tests.add(checkHover(
           'func(35', 4, ['func', 'int', 'param'], 'function', ['int', 'void'],
           docRegexp: 'Documentation for func'));
       tests.add(checkHover('35', 2, null, null, ['int'],
           isLiteral: true, parameterRegexps: ['int', 'param']));
       tests.add(checkNoHover('comment'));
       return Future.wait(tests);
     });
   }
 }