[systest] Tests for plugins fail: 'python: can't open file 'setup.py': [Errno 2] No such file or directory\n'

[Artem Panchenko]

System tests for plugins fail for 7.0 MU1, because tests use master branch while installing FPB:

Initialized empty Git repository in /root/fuel-plugins/.git/
Requirement '*.tar.gz' looks like a filename, but the file does not exist
Unpacking ./*.tar.gz
Cleaning up...
Exception:
Traceback (most recent call last):
  File "/usr/lib/python2.6/site-packages/pip/basecommand.py", line 134, in main
    status = self.run(options, args)
  File "/usr/lib/python2.6/site-packages/pip/commands/install.py", line 236, in run
    requirement_set.prepare_files(finder, force_root_egg_info=self.bundle, bundle=self.bundle)
  File "/usr/lib/python2.6/site-packages/pip/req.py", line 1092, in prepare_files
    self.unpack_url(url, location, self.is_download)
  File "/usr/lib/python2.6/site-packages/pip/req.py", line 1234, in unpack_url
    return unpack_file_url(link, loc)
  File "/usr/lib/python2.6/site-packages/pip/download.py", line 422, in unpack_file_url
    unpack_file(source, location, content_type, link)
  File "/usr/lib/python2.6/site-packages/pip/util.py", line 596, in unpack_file
    or tarfile.is_tarfile(filename)
  File "/usr/lib64/python2.6/tarfile.py", line 2528, in is_tarfile
    t = open(name)
  File "/usr/lib64/python2.6/tarfile.py", line 1652, in open
    return func(name, "r", fileobj, **kwargs)
  File "/usr/lib64/python2.6/tarfile.py", line 1714, in gzopen
    fileobj = bltn_open(name, mode + "b")
IOError: [Errno 2] No such file or directory: '/root/fuel-plugins/fuel_plugin_builder/*.tar.gz'

Storing complete log in /root/.pip/pip.log

python: can't open file 'setup.py': [Errno 2] No such file or directory
bash: line 4: cd: dist: No such file or directory

http://paste.openstack.org/show/477852/

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: stable/7.0
Review: https://review.openstack.org/241204

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/241204
Committed: https://git.openstack.org/cgit/openstack/fuel-qa/commit/?id=dd28187642b53e9d715ddfeb098f9d8c1917ab5c
Submitter: Jenkins
Branch: stable/7.0

commit dd28187642b53e9d715ddfeb098f9d8c1917ab5c
Author: Artem Panchenko <email address hidden>
Date: Tue Nov 3 15:46:38 2015 +0200

    Use stable/7.0 branch of 'fuel-plugins' repository

    Change-Id: I44f6acd1c53552188f3b5f78623aa2edb8554c5e
    Closes-bug: #1512706