diff --git a/extensions/vscode-api-tests/src/singlefolder-tests/interactiveWindow.test.ts b/extensions/vscode-api-tests/src/singlefolder-tests/interactiveWindow.test.ts
index eafc18804fd..0890418484c 100644
--- a/extensions/vscode-api-tests/src/singlefolder-tests/interactiveWindow.test.ts
+++ b/extensions/vscode-api-tests/src/singlefolder-tests/interactiveWindow.test.ts
@@ -32,7 +32,7 @@ async function createInteractiveWindow(kernel: Kernel) {
 
 	setup(async function () {
 		// there should be ONE default kernel in this suite
-		defaultKernel = new Kernel('mainKernel', 'Notebook Default Kernel');
+		defaultKernel = new Kernel('mainKernel', 'Notebook Default Kernel', 'interactive');
 		testDisposables.push(defaultKernel.controller);
 		await saveAllFilesAndCloseAll();
 	});
diff --git a/extensions/vscode-api-tests/src/singlefolder-tests/notebook.test.ts b/extensions/vscode-api-tests/src/singlefolder-tests/notebook.test.ts
index b68eb587922..8c413aaf9fb 100644
--- a/extensions/vscode-api-tests/src/singlefolder-tests/notebook.test.ts
+++ b/extensions/vscode-api-tests/src/singlefolder-tests/notebook.test.ts
@@ -35,8 +35,8 @@ export class Kernel {
 
 	readonly associatedNotebooks = new Set<string>();
 
-	constructor(id: string, label: string) {
-		this.controller = vscode.notebooks.createNotebookController(id, 'notebookCoreTest', label);
+	constructor(id: string, label: string, viewType: string = 'notebookCoreTest') {
+		this.controller = vscode.notebooks.createNotebookController(id, viewType, label);
 		this.controller.executeHandler = this._execute.bind(this);
 		this.controller.supportsExecutionOrder = true;
 		this.controller.supportedLanguages = ['typescript', 'javascript'];