From cce689e570c611e67c212c447de9f7e4d43a9ed5 Mon Sep 17 00:00:00 2001
From: Don Jayamanne <don.jayamanne@yahoo.com>
Date: Fri, 7 Feb 2020 17:02:20 -0800
Subject: [PATCH] Fix functional tests

---
 src/test/datascience/mockCustomEditorService.ts | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/test/datascience/mockCustomEditorService.ts b/src/test/datascience/mockCustomEditorService.ts
index ccccacf0a4f3..f116e2009cd2 100644
--- a/src/test/datascience/mockCustomEditorService.ts
+++ b/src/test/datascience/mockCustomEditorService.ts
@@ -6,6 +6,7 @@ import { IDisposableRegistry } from '../../client/common/types';
 import { noop } from '../../client/common/utils/misc';
 import { NotebookModelChange } from '../../client/datascience/interactive-common/interactiveWindowTypes';
 import { INotebookEditor, INotebookEditorProvider } from '../../client/datascience/types';
+import { createTemporaryFile } from '../utils/fs';
 
 export class MockCustomEditorService implements ICustomEditorService {
     private provider: WebviewCustomEditorProvider | undefined;
@@ -90,7 +91,9 @@ export class MockCustomEditorService implements ICustomEditorService {
         const nativeProvider = (this.provider as unknown) as WebviewCustomEditorEditingDelegate<NotebookModelChange>;
         if (nativeProvider) {
             // Just make up a new URI
-            nativeProvider.saveAs(file, Uri.file('bar.ipynb'));
+            createTemporaryFile('.ipynb')
+                .then(tmp => nativeProvider.saveAs(file, Uri.file(tmp.filePath)))
+                .ignoreErrors();
         }
     }