backend.ProcessEvents(newEvents(2)...)

	require.Len(t, backend.buffer, 1, "buffed contains more elements than it should")
}

func TestBufferedBackendShutdownWaitsForDelegatedCalls(t *testing.T) {
	t.Parallel()

	delegatedCallStartCh := make(chan struct{})
	delegatedCallEndCh := make(chan struct{})
	delegateBackend := &fake.Backend{