Skip test teardown if DB not accessible

Author: bnaul

cesium_app/tests/conftest.py

@@ -4,9 +4,8 @@
 import os
 import distutils.spawn
 import types
-from cesium_app import models as m
 from cesium_app.config import cfg
-
+from cesium_app import models as m
 
 @pytest.fixture(scope='module', autouse=True)
 def driver(request):
@@ -52,4 +51,8 @@ def teardown():
                 os.remove(f.file.uri)
             except:
                 pass
-    request.addfinalizer(teardown)
+    try:
+        m.db.connect()
+        request.addfinalizer(teardown)
+    except:  # skip teardown if DB not available
+        pass