mainDispatcher

Returns a test configuration which specifies a main dispatcher (Dispatchers.setMain) for a TestElement hierarchy.

If dispatcher is null, a single-threaded dispatcher is used.

Note: Only one main dispatcher may exist at any point in time. Therefore, – this configuration may not be overridden at lower levels of the TestElement hierarchy, and

• multiple TestElement hierarchys with a mainDispatcher configuration may not execute concurrently. Child elements inherit the main dispatcher as part of their CoroutineContext.