Update series metadata

Ensure that EOL releases are removed from metadata
and tests, and that the current dev release is enabled
in metadata.  Dev release tests are enabled separately
because of chickens and eggs.

Change-Id: I26fc15b4ee092052265bf0ce8ea8c54e5ca68503

src/metadata.yaml

@@ -11,7 +11,7 @@ tags:
 series:
   - xenial
   - bionic
-  - artful
+  - cosmic
   - trusty
 subordinate: false
 requires:

src/tests/gate-basic-artful-pike

@@ -1,10 +0,0 @@
-#!/usr/bin/env python
-
-"""Amulet tests on a basic tempest deployment on artful-pike."""
-
-from basic_deployment import TempestBasicDeployment
-
-if __name__ == '__main__':
-    deployment = TempestBasicDeployment(series='artful')
-    deployment.run_tests()
-

src/tests/gate-basic-trusty-kilo

@@ -1,12 +0,0 @@
-#!/usr/bin/env python
-
-"""Amulet tests on a basic tempest deployment on trusty-kilo."""
-
-from basic_deployment import TempestBasicDeployment
-
-if __name__ == '__main__':
-    # Tempest is installed through pip so cloud archive is not needed here
-    deployment = TempestBasicDeployment(series='trusty',
-                                        openstack='cloud:trusty-kilo',
-                                        source='cloud:trusty-updates/kilo')
-    deployment.run_tests()

src/tests/gate-basic-xenial-newton

@@ -1,12 +0,0 @@
-#!/usr/bin/env python
-
-"""Amulet tests on a basic tempest deployment on xenial-newton."""
-
-from basic_deployment import TempestBasicDeployment
-
-if __name__ == '__main__':
-    # Tempest is installed through pip so cloud archive is not needed here
-    deployment = TempestBasicDeployment(series='xenial',
-                                        openstack='cloud:xenial-newton',
-                                        source='cloud:xenial-updates/newton')
-    deployment.run_tests()