Merge "Drop environments for nose"

Author: Zuul

tox.ini

@@ -33,12 +33,8 @@ setenv =
 commands = oslo_debug_helper -t kolla/tests {posargs}
 
 [testenv:cover]
-setenv = VIRTUAL_ENV={envdir}
-         NOSE_WITH_COVERAGE=1
-         NOSE_COVER_BRANCHES=1
-         NOSE_COVER_HTML=1
-         NOSE_COVER_HTML_DIR={toxinidir}/cover
-         PYTHON=coverage run --source kolla --parallel-mode
+setenv =
+    PYTHON=coverage run --source kolla --parallel-mode
 commands =
     stestr run {posargs}
     coverage combine