Add function to print warning with optional message
in case we'd like to skip a test.
Signed-off-by: Karol Latecki <karol.latecki@intel.com>
Change-Id: Iacb1031aac0e17ce80327ca826c51fb2b99a6be0
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/1080
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>