}

	// Assert
	if !isOperationRunConcurrently(ch, quit, numVolumesToDetach) {
		t.Fatalf("Attach volume operations should not execute serially")
	}
}

func TestOperationExecutor_VerifyVolumesAreAttachedConcurrentlyOnSameNode(t *testing.T) {
	// Arrange
	ch, quit, oe := setup()

	// Act
	for i := 0; i < numVolumesToVerifyAttached; i++ {