Description of problem:
Each time when you save an ansible credential error flash message appears with the text: "NetworkError attempting to fetch resource"

Version-Release number of selected component (if applicable):
5.8.0.8-alpha1.20170328221054_e6ca7a2 

How reproducible:
Always

Steps to Reproduce:
1. Enable Embedded Ansible Role.
2. Wait when it will be enabled.
3. Navigate to Automation/Ansible/Credentials
4. Update existing or create a new credential.
5. Press "Save" button.

Actual results:
"NetworkError attempting to fetch resource" flash message

Expected results:
There shouldn't be the error message.