This tests assumes existence of `PATH` environment variable. This variable is not a special variable on VxWorks (it's neither set nor evaluated by command line), causing this test to fail. Skip this test as it's not applicable on VxWorks. Pick-to: 6.7 Task-number: QTBUG-115777 Change-Id: I431b3f0a0ff9efefffc356bb5c7e11fdfac78690 Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>