ftests: Add a domain invalid test

ftests: Add a domain invalid test

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Test Results:
	Run Date:                          Apr 13 19:23:11
	Passed:                                  1 test(s)
	Skipped:                                 0 test(s)
	Failed:                                  0 test(s)
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Timing Results:
	Test                             Time (sec)
	-------------------------------------------
	setup                                  0.00
	080-kernel-domain_invalid.py           4.22
	teardown                               0.00
	-------------------------------------------
	Total Run Time                         4.22

Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
Reviewed-by: Kamalesh Babulal <kamalesh.babulal@oracle.com>