smoke: --sticky-quickopen cli option

src/vs/platform/environment/common/environment.ts

@@ -40,6 +40,7 @@ export interface ParsedArgs {
 	'enable-proposed-api'?: string | string[];
 	'open-url'?: string | string[];
 	'skip-getting-started'?: boolean;
+	'sticky-quickopen'?: boolean;
 }
 
 export const IEnvironmentService = createDecorator<IEnvironmentService>('environmentService');

src/vs/platform/environment/node/argv.ts

@@ -46,7 +46,8 @@ const options: minimist.Opts = {
 		'list-extensions',
 		'show-versions',
 		'nolazy',
-		'skip-getting-started'
+		'skip-getting-started',
+		'sticky-quickopen'
 	],
 	alias: {
 		add: 'a',

src/vs/workbench/browser/parts/quickopen/quickOpenController.ts

@@ -111,6 +111,7 @@ export class QuickOpenController extends Component implements IQuickOpenService
 		@IInstantiationService private instantiationService: IInstantiationService,
 		@IPartService private partService: IPartService,
 		@IListService private listService: IListService,
+		@IEnvironmentService private environmentService: IEnvironmentService,
 		@IThemeService themeService: IThemeService
 	) {
 		super(QuickOpenController.ID, themeService);
@@ -138,7 +139,11 @@ export class QuickOpenController extends Component implements IQuickOpenService
 	}
 
 	private updateConfiguration(settings: IWorkbenchQuickOpenConfiguration): void {
-		this.closeOnFocusLost = settings.workbench && settings.workbench.quickOpen && settings.workbench.quickOpen.closeOnFocusLost;
+		if (this.environmentService.args['sticky-quickopen']) {
+			this.closeOnFocusLost = false;
+		} else {
+			this.closeOnFocusLost = settings.workbench && settings.workbench.quickOpen && settings.workbench.quickOpen.closeOnFocusLost;
+		}
 	}
 
 	public get onShow(): Event<void> {

test/smoke/src/spectron/application.ts

@@ -121,8 +121,13 @@ export class SpectronApplication {
 		}
 
 		args.push(this._workspace);
+
 		// Prevent 'Getting Started' web page from opening on clean user-data-dir
 		args.push('--skip-getting-started');
+
+		// Prevent Quick Open from closing when focus is stolen, this allows concurrent smoketest suite running
+		args.push('--sticky-quickopen');
+
 		// Ensure that running over custom extensions directory, rather than picking up the one that was used by a tester previously
 		args.push(`--extensions-dir=${EXTENSIONS_DIR}`);