utils_test.libvirt: Add command string in negative fail message

When command expect fail but run success, add command detail in the raise error to quickly identify problem. Signed-off-by: Wayne Sun <[email protected]>
avocado-framework · Dec 8, 2016 · dbf57ee · dbf57ee
1 parent 62b7060
commit dbf57ee
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/virttest/utils_test/libvirt.py b/virttest/utils_test/libvirt.py
@@ -1322,7 +1322,8 @@ def check_exit_status(result, expect_error=False):
         else:
             logging.debug("Command output:\n%s", result.stdout.strip())
     elif expect_error and result.exit_status == 0:
-        raise exceptions.TestFail("Expect fail, but run successfully.")
+        raise exceptions.TestFail("Run '%s' expect fail, but run "
+                                  "successfully." % result.command)
 
 
 def get_interface_details(vm_name):