Do not assume the tests run as jenkins
Do not assume the tests run as jenkins

Use $HOME instead of "/home/jenkins" in the generated configuration
files to let the script be run as a user other than jenkins.

Change-Id: I9413591bb4a7d821382eae6dc3edd1df0c41a5e6

openstack-dev/pbr,citrix-openstack-build/pbr,varunarya10/pbr,openstack-dev/pbr,WiFast/pbr,klmitch/pbr,citrix-openstack-build/pbr,openstack-dev/pbr,varunarya10/pbr,JioCloud/pbr,WiFast/pbr,JioCloud/pbr,citrix-openstack-build/pbr,klmitch/pbr,redhat-openstack/pbr,redhat-openstack/pbr