Revert moving "testUsingFakeTime" to separate package

- This fixes tests

Signed-off-by: Sebastian Malton <sebastian@malton.name>

packages/utility-features/test-utils/index.ts

@@ -2,4 +2,3 @@ export * from "./src/flush-promises";
 export * from "./src/get-global-override-for-function";
 export * from "./src/get-global-override";
 export * from "./src/get-promise-status";
-export * from "./src/use-fake-time";

packages/utility-features/test-utils/src/use-fake-time.ts

@@ -1,25 +0,0 @@
-/**
- * Copyright (c) OpenLens Authors. All rights reserved.
- * Licensed under MIT License. See LICENSE in root directory for more information.
- */
-import { act } from "@testing-library/react";
-
-let usingFakeTime = false;
-
-export const advanceFakeTime = (milliseconds: number) => {
-  if (!usingFakeTime) {
-    throw new Error("Tried to advance fake time but it was not enabled. Call useFakeTime() first.");
-  }
-
-  act(() => {
-    jest.advanceTimersByTime(milliseconds);
-  });
-};
-
-export const testUsingFakeTime = (dateTime = "2015-10-21T07:28:00Z") => {
-  usingFakeTime = true;
-
-  jest.useFakeTimers();
-
-  jest.setSystemTime(new Date(dateTime));
-};