diff --git a/extensions/arc/src/test/ui/components/filePicker.test.ts b/extensions/arc/src/test/ui/components/filePicker.test.ts
index 3aa3ddf8bf..65d9302662 100644
--- a/extensions/arc/src/test/ui/components/filePicker.test.ts
+++ b/extensions/arc/src/test/ui/components/filePicker.test.ts
@@ -4,6 +4,7 @@
  *--------------------------------------------------------------------------------------------*/
 
 import * as azdata from 'azdata';
+import * as path from 'path';
 import * as should from 'should';
 import * as sinon from 'sinon';
 import * as vscode from 'vscode';
@@ -12,8 +13,8 @@ import { FilePicker } from '../../../ui/components/filePicker';
 import { createModelViewMock } from '../../stubs';
 
 let filePicker: FilePicker;
-const initialPath = '/path/to/.kube/config';
-const newFilePath = '/path/to/new/.kube/config';
+const initialPath = path.join('path', 'to', '.kube','config');
+const newFileUri = vscode.Uri.file(path.join('path', 'to', 'new', '.kube', 'config'));
 let filePathInputBox: azdata.InputBoxComponent;
 let browseButton: azdata.ButtonComponent;
 let flexContainer: azdata.FlexContainer;
@@ -38,11 +39,11 @@ describe('filePicker', function (): void {
 		const deferred = new Deferred();
 		sinon.stub(vscode.window, 'showOpenDialog').callsFake(async (_options) => {
 			deferred.resolve();
-			return [vscode.Uri.file(newFilePath)];
+			return [newFileUri];
 		});
 		browseButtonEmitter.fire(undefined); //simulate the click of the browseButton
 		await deferred;
-		filePicker.value!.should.equal(newFilePath);
+		filePicker.value!.should.equal(newFileUri.fsPath);
 	});
 
 	describe('getters and setters', async () => {
diff --git a/extensions/resource-deployment/src/test/services/platformService.test.ts b/extensions/resource-deployment/src/test/services/platformService.test.ts
index e421d0b43f..62dc7f45f6 100644
--- a/extensions/resource-deployment/src/test/services/platformService.test.ts
+++ b/extensions/resource-deployment/src/test/services/platformService.test.ts
@@ -126,9 +126,10 @@ describe('PlatformService', () => {
 		it('openFile', () => {
 			const stub = sinon.stub(vscode.commands, 'executeCommand').resolves(); //resolves with a known string
 			platformService.openFile(filePath);
+			const expectedFilePath = vscode.Uri.file(filePath).fsPath;
 			stub.callCount.should.equal(1);
 			stub.getCall(0).args[0].should.equal('vscode.open');
-			stub.getCall(0).args[1].path.should.equal(filePath);
+			(stub.getCall(0).args[1] as vscode.Uri).fsPath.should.equal(expectedFilePath);
 		});
 		it('readTextFile', async () => {
 			sinon.stub(fs.promises, 'readFile').resolves(contents);