test: install Black formatter extension

Author: mcanouil

apps/vscode/src/test/formatting.test.ts

@@ -5,10 +5,17 @@ import { openAndShowTextDocument, wait, WORKSPACE_PATH } from "./test-utils";
 
 suite("Code Block Formatting", function () {
   test("Format Python code block", async function () {
+    // Ensure Black formatter extension is installed
+    await vscode.commands.executeCommand("workbench.extensions.installExtension", "ms-python.black-formatter");
+    await wait(1000);
+    const blackFormatterExtension = vscode.extensions.getExtension("ms-python.black-formatter");
+    assert.notStrictEqual(blackFormatterExtension, undefined, "ms-python.black-formatter extension must be installed");
+
     const { doc, editor } = await openAndShowTextDocument("format-python.qmd");
 
-    const position = new vscode.Position(7, 2); // Line with "1+1"
+    const position = new vscode.Position(7, 0); // Line with "1+1"
     editor.selection = new vscode.Selection(position, position);
+    await wait(1000);
     await vscode.commands.executeCommand("quarto.formatCell");
     // await vscode.commands.executeCommand("vscode.executeFormatDocumentProvider", doc.uri);