Remove more references to AnalysisContext

pkg/analysis_server/test/services/dependencies/library_dependencies_test.dart

-// Copyright (c) 2015, 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:analysis_server/src/services/dependencies/library_dependencies.dart';
-import 'package:test/test.dart';
-import 'package:test_reflective_loader/test_reflective_loader.dart';
-
-import '../../abstract_context.dart';
-
-main() {
-  defineReflectiveSuite(() {
-    defineReflectiveTests(LibraryDependenciesTest);
-  });
-}
-
-@reflectiveTest
-class LibraryDependenciesTest extends AbstractContextTest {
-  @failingTest
-  test_LibraryDependencies() {
-    // See https://github.com/dart-lang/sdk/issues/29310
-    addSource('/lib1.dart', 'import "lib2.dart";');
-    addSource('/lib2.dart', 'import "lib1.dart";');
-    addSource('/lib3.dart', 'import "lib2.dart";');
-    addSource('/lib4.dart', 'import "lib5.dart";');
-    provider.newFile('/lib5.dart', 'import "lib6.dart";');
-    provider.newFile('/lib6.dart', '');
-
-    var libs = new LibraryDependencyCollector([]).collectLibraryDependencies();
-
-    // Cycles
-    expect(libs, contains('/lib1.dart'));
-    expect(libs, contains('/lib2.dart'));
-    // Regular sources
-    expect(libs, contains('/lib3.dart'));
-    expect(libs, contains('/lib4.dart'));
-    // Non-source, referenced by source
-    expect(libs, contains('/lib5.dart'));
-    // Non-source, referenced by non-source
-    expect(libs, contains('/lib6.dart'));
-  }
-
-  test_PackageMaps() {
-    //TODO(pquitslund): add test
-  }
-}