Fix flakiness

Author: Kartik Raj

src/test/initialize.ts

@@ -20,7 +20,7 @@ export const multirootPath = path.join(__dirname, '..', '..', 'src', 'testMultiR
 const workspace3Uri = vscode.Uri.file(path.join(multirootPath, 'workspace3'));
 
 //First thing to be executed.
-process.env['VSC_PYTHON_CI_TEST'] = '1';
+process.env.VSC_PYTHON_CI_TEST = '1';
 
 // Ability to use custom python environments for testing
 export async function initializePython() {
@@ -32,6 +32,7 @@ export async function initializePython() {
 
 // tslint:disable-next-line:no-any
 export async function initialize(): Promise<IExtensionTestApi> {
+    process.env.VSC_PYTHON_CI_TEST = '1';
     await initializePython();
     const api = await activateExtension();
     if (!IS_SMOKE_TEST) {