Extend isolation test to cover IsMounted method
Extend isolation test to cover IsMounted method

Signed-off-by: Vasiliy Ulyanov <874333a19fcb57a423921069a9d8e451d537235a@suse.de>

davidvossel/kubevirt,stu-gott/kubevirt,davidvossel/kubevirt,kubevirt/kubevirt,kubevirt/kubevirt,davidvossel/kubevirt,kubevirt/kubevirt,stu-gott/kubevirt,stu-gott/kubevirt,kubevirt/kubevirt,davidvossel/kubevirt,stu-gott/kubevirt