Was the test case executed at least once?

This will indicate the status of the test (failture or error)

Property definitions

nitc $ UnitTest :: was_exec=
	# Was the test case executed at least once?
	#
	# This will indicate the status of the test (failture or error)
	var was_exec = false is writable
src/testing/testing_base.nit:196,2--199,33