Each time your test invokes onView(), Espresso waits to perform the corresponding UI action or assertion until the following synchronization conditions are met:
(Choose three.)
A. The message queue is empty.
B. The message queue is not empty.
C. There are some instances of AsyncTask currently executing a task.
D. There are no instances of AsyncTask currently executing a task.
E. Some developer-defined idling resources are not idle.
F. All developer-defined idling res