Espresso idling resource for synchronize testing

3_Espresso_Idling_Resource

public class EspressoTestingIdlingResource {
    private static final String RESOURCE = "GLOBAL";

    private static CountingIdlingResource mCountingIdlingResource =
            new CountingIdlingResource(RESOURCE);

    public static void increment() {
        mCountingIdlingResource.increment();
    }

    public static void decrement() {
        mCountingIdlingResource.decrement();
    }

    public static IdlingResource getIdlingResource() {
        return mCountingIdlingResource;
    }

}