[System test ]Need change default PUPPET_TIMEOUT

Create environment and set up master node failed because of time out.

Traceback (most recent call last):
  File "/home/jenkins/venv-nailgun-tests/local/lib/python2.7/site-packages/proboscis/case.py", line 296, in testng_method_mistake_capture_func
    compatability.capture_type_error(s_func)
  File "/home/jenkins/venv-nailgun-tests/local/lib/python2.7/site-packages/proboscis/compatability/exceptions_2_6.py", line 27, in capture_type_error
    func()
  File "/home/jenkins/venv-nailgun-tests/local/lib/python2.7/site-packages/proboscis/case.py", line 350, in func
    func(test_case.state.get_state())
  File "/home/jenkins/workspace/master_fuelmain.system_test.ubuntu.thread_1/fuelweb_test/tests/base_test_case.py", line 56, in setup_master
    self.env.setup_environment()
  File "/home/jenkins/workspace/master_fuelmain.system_test.ubuntu.thread_1/fuelweb_test/models/environment.py", line 356, in setup_environment
    self.wait_bootstrap()
  File "/home/jenkins/workspace/master_fuelmain.system_test.ubuntu.thread_1/fuelweb_test/models/environment.py", line 392, in wait_bootstrap
    timeout=(float(settings.PUPPET_TIMEOUT))
  File "/home/jenkins/venv-nailgun-tests/local/lib/python2.7/site-packages/devops/helpers/helpers.py", line 95, in wait
    raise TimeoutError("Waiting timed out")
TimeoutError: Waiting timed out