testing: avoid duplicated calls to workspace root if document tests a…

…re not provided

Fixes #126290

src/vs/workbench/api/common/extHost.api.impl.ts

@@ -55,7 +55,7 @@ import { values } from 'vs/base/common/collections';
 import { ExtHostEditorInsets } from 'vs/workbench/api/common/extHostCodeInsets';
 import { ExtHostLabelService } from 'vs/workbench/api/common/extHostLabelService';
 import { getRemoteName } from 'vs/platform/remote/common/remoteHosts';
-import { ServicesAccessor } from 'vs/platform/instantiation/common/instantiation';
+import { IInstantiationService, ServicesAccessor } from 'vs/platform/instantiation/common/instantiation';
 import { IExtHostDecorations } from 'vs/workbench/api/common/extHostDecorations';
 import { IExtHostTask } from 'vs/workbench/api/common/extHostTask';
 import { IExtHostDebugService } from 'vs/workbench/api/common/extHostDebugService';
@@ -171,7 +171,7 @@ export function createApiFactoryAndRegisterActors(accessor: ServicesAccessor): I
 	const extHostWebviewPanels = rpcProtocol.set(ExtHostContext.ExtHostWebviewPanels, new ExtHostWebviewPanels(rpcProtocol, extHostWebviews, extHostWorkspace));
 	const extHostCustomEditors = rpcProtocol.set(ExtHostContext.ExtHostCustomEditors, new ExtHostCustomEditors(rpcProtocol, extHostDocuments, extensionStoragePaths, extHostWebviews, extHostWebviewPanels));
 	const extHostWebviewViews = rpcProtocol.set(ExtHostContext.ExtHostWebviewViews, new ExtHostWebviewViews(rpcProtocol, extHostWebviews));
-	const extHostTesting = rpcProtocol.set(ExtHostContext.ExtHostTesting, new ExtHostTesting(rpcProtocol, extHostDocumentsAndEditors, extHostWorkspace));
+	const extHostTesting = rpcProtocol.set(ExtHostContext.ExtHostTesting, new ExtHostTesting(rpcProtocol, accessor.get(IInstantiationService), extHostDocumentsAndEditors));
 	const extHostUriOpeners = rpcProtocol.set(ExtHostContext.ExtHostUriOpeners, new ExtHostUriOpeners(rpcProtocol));
 
 	// Check that no named customers are missing