diff --git a/extensions/vscode-api-tests/src/singlefolder-tests/commands.test.ts b/extensions/vscode-api-tests/src/singlefolder-tests/commands.test.ts
index 998cfec61686bdb7ddab137e3a2308fc65804ff5..fba9348435c07b0231f9a34758b1a06fb4d4df89 100644
--- a/extensions/vscode-api-tests/src/singlefolder-tests/commands.test.ts
+++ b/extensions/vscode-api-tests/src/singlefolder-tests/commands.test.ts
@@ -6,7 +6,7 @@
 import 'mocha';
 import * as assert from 'assert';
 import { join } from 'path';
-import { commands, workspace, window, Uri, Range, Position } from 'vscode';
+import { commands, workspace, window, Uri, Range, Position, ViewColumn } from 'vscode';
 
 suite('commands namespace tests', () => {