etcd: implement separate system tests

- add t13_etcd test directory
- etcd will be started for the unit tests and each system test
- etcd will load fixture DB export if requested by the test
- existing tests are reused for etcd testing

system/t13_etcd/publish_list.py

@@ -0,0 +1,48 @@
+# reuse existing tests:
+from t06_publish.list import PublishList1Test, \
+                             PublishList2Test, \
+                             PublishList3Test, \
+                             PublishList4Test, \
+                             PublishList5Test
+
+TEST_IGNORE = ["PublishList1Test", "PublishList2Test", "PublishList3Test", "PublishList4Test", "PublishList5Test"]
+
+
+class PublishList1TestEtcd(PublishList1Test):
+    """
+    publish list: empty list
+    """
+    databaseType = "etcd"
+    databaseUrl = "127.0.0.1:2379"
+
+
+class PublishList2TestEtcd(PublishList2Test):
+    """
+    publish list: several repos list
+    """
+    databaseType = "etcd"
+    databaseUrl = "127.0.0.1:2379"
+
+
+class PublishList3TestEtcd(PublishList3Test):
+    """
+    publish list: several repos list, raw
+    """
+    databaseType = "etcd"
+    databaseUrl = "127.0.0.1:2379"
+
+
+class PublishList4TestEtcd(PublishList4Test):
+    """
+    publish list json: empty list
+    """
+    databaseType = "etcd"
+    databaseUrl = "127.0.0.1:2379"
+
+
+class PublishList5TestEtcd(PublishList5Test):
+    """
+    publish list json: several repos list
+    """
+    databaseType = "etcd"
+    databaseUrl = "127.0.0.1:2379"