Initial support for an explicit plugin list

pkg/analysis_server/test/src/plugin/plugin_watcher_test.dart

Index: pkg/analysis_server/test/src/plugin/plugin_watcher_test.dart
diff --git a/pkg/analysis_server/test/src/plugin/plugin_watcher_test.dart b/pkg/analysis_server/test/src/plugin/plugin_watcher_test.dart
index aa7fe4e838208750dd16ceee498cbc7fb615f9ca..1315741a2e684616f19c63e7d62342e1d9f13c08 100644
--- a/pkg/analysis_server/test/src/plugin/plugin_watcher_test.dart
+++ b/pkg/analysis_server/test/src/plugin/plugin_watcher_test.dart
@@ -45,8 +45,20 @@ class PluginWatcherTest {
 
   test_addedDriver() async {
     String pkg1Path = resourceProvider.convertPath('/pkg1');
+    resourceProvider.newFile(
+        resourceProvider.convertPath('/pkg1/lib/test1.dart'), '');
+    resourceProvider.newFile(
+        resourceProvider.convertPath('/pkg2/lib/pkg2.dart'), '');
+    resourceProvider.newFile(
+        resourceProvider.convertPath('/pkg2/pubspec.yaml'), 'name: pkg2');
+    resourceProvider.newFile(
+        resourceProvider.convertPath(
+            '/pkg2/${PluginLocator.toolsFolderName}/${PluginLocator.defaultPluginFolderName}/bin/plugin.dart'),
+        '');
+
     ContextRoot contextRoot = new ContextRoot(pkg1Path, []);
     TestDriver driver = new TestDriver(resourceProvider, contextRoot);
+    driver.analysisOptions.enabledPluginNames = ['pkg2'];
     watcher.addedDriver(driver, contextRoot);
     expect(manager.addedContextRoots, isEmpty);
     //
@@ -54,22 +66,12 @@ class PluginWatcherTest {
     //
     // Use a file in the package being analyzed.
     //
-    resourceProvider.newFile(
-        resourceProvider.convertPath('/pkg1/lib/test1.dart'), '');
-    await driver.computeResult('package:pkg1/test1.dart');
-    expect(manager.addedContextRoots, isEmpty);
+//    await driver.computeResult('package:pkg1/test1.dart');
+//    expect(manager.addedContextRoots, isEmpty);
     //
     // Use a file that imports a package with a plugin.
     //
-    resourceProvider.newFile(
-        resourceProvider.convertPath('/pkg2/lib/pkg2.dart'), '');
-    resourceProvider.newFile(
-        resourceProvider.convertPath('/pkg2/pubspec.yaml'), 'name: pkg2');
-    resourceProvider.newFile(
-        resourceProvider.convertPath(
-            '/pkg2/${PluginLocator.toolsFolderName}/${PluginLocator.defaultPluginFolderName}/bin/plugin.dart'),
-        '');
-    await driver.computeResult('package:pkg2/pk2.dart');
+//    await driver.computeResult('package:pkg2/pk2.dart');
     //
     // Wait until the timer associated with the driver's FileSystemState is
     // guaranteed to have expired and the list of changed files will have been
@@ -100,6 +102,7 @@ class TestDriver implements AnalysisDriver {
   SourceFactory sourceFactory;
   FileSystemState fsState;
   AnalysisSession currentSession;
+  AnalysisOptionsImpl analysisOptions = new AnalysisOptionsImpl();
 
   final _resultController = new StreamController<AnalysisResult>();