QA:Testcase multipathd error status

Description

This testcase checks if multipathd responds with 'fail' for invalid device name. It is reported in fixed bug that multipathd responds with 'ok' for invalid device name.

How to test

1. Ensure the device-mapper-multipath package is installed

    Execute: dnf -y install device-mapper device-mapper-multipath
    Execute: rpm -qa 

1. Execute the following command to generate the configuration file

   Execute: mpathconf --enable

1. Restart multipathd service

   Execute:service multipathd restart

1. multipathd remove invalid device name 'foo'

   Execute:multipathd remove map foo

1. check whether the return value is 'ok' or 'fail'

Expected Results

1. multipathd responds with 'fail' for invalid device name.