Remove references to Travis (#2179)

* Remove dependency on Travis

* .

* .

Co-authored-by: narrieta <narrieta>

README.md

@@ -3,7 +3,6 @@
 
 ## Develop branch status
 
-[![Travis CI](https://travis-ci.org/Azure/WALinuxAgent.svg?branch=develop)](https://travis-ci.org/Azure/WALinuxAgent/branches)
 [![CodeCov](https://codecov.io/gh/Azure/WALinuxAgent/branch/develop/graph/badge.svg)](https://codecov.io/gh/Azure/WALinuxAgent/branch/develop)
 
 Each badge below represents our basic validation tests for an image, which are executed several times each day. These include provisioning, user account, disk, extension and networking scenarios.

tests/common/osutil/test_default.py

@@ -34,9 +34,7 @@
 from azurelinuxagent.common.osutil import get_osutil
 from azurelinuxagent.common.utils import fileutil
 from azurelinuxagent.common.utils.flexible_version import FlexibleVersion
-from tests.tools import AgentTestCase, patch, open_patch, load_data, \
-    running_under_travis, skip_if_predicate_true
-
+from tests.tools import AgentTestCase, patch, open_patch, load_data
 
 actual_get_proc_net_route = 'azurelinuxagent.common.osutil.default.DefaultOSUtil._get_proc_net_route'
 
@@ -891,7 +889,6 @@ def test_remove_firewall_should_not_retry_invalid_rule(self):
 
             self.assertFalse(osutil._enable_firewall)
 
-    @skip_if_predicate_true(running_under_travis, "The ip command isn't available in Travis")
     def test_get_nic_state(self):
         state = osutil.DefaultOSUtil().get_nic_state()
         self.assertNotEqual(state, {})

tests/tools.py

@@ -113,10 +113,6 @@ def _safe_repr(obj, short=False):
     return result[:_MAX_LENGTH] + ' [truncated]...'
 
 
-def running_under_travis():
-    return 'TRAVIS' in os.environ and os.environ['TRAVIS'] == 'true'
-
-
 def i_am_root():
     return os.geteuid() == 0