Fix broken unit test that relies on date (#1914)

Author: charisk

extensions/ql-vscode/test/unit-tests/pure/date.test.ts

@@ -2,7 +2,7 @@ import { formatDate } from "../../../src/pure/date";
 
 describe("Date", () => {
   it("should return a formatted date", () => {
-    expect(formatDate(new Date(1663326904000))).toBe("Sep 16, 11:15 AM");
+    expect(formatDate(new Date(1663326904000))).toBe("Sep 16, 2022, 11:15 AM");
     expect(formatDate(new Date(1631783704000))).toBe("Sep 16, 2021, 9:15 AM");
   });
 });