Spliting member API tests in 2 classes

Split MemberAPITest class into MemberAPITest1 and MemberAPITest2
classes. MemberAPITest contained 240 test funtions and it took 1h45 in
the octavia-v2-dsvm-noop-api job to run those functions sequentially.
By spliting this class, the load now spread on 2 workers and it reduces
the duration of the noop-api jobs, avoiding frequent timeout issues.

Change-Id: I2d2cf910bd5801bfeb92c1ede51bd120ced3b4f9
diff --git a/octavia_tempest_plugin/tests/api/v2/test_member.py b/octavia_tempest_plugin/tests/api/v2/test_member.py
index aa7cf25..fee2893 100644
--- a/octavia_tempest_plugin/tests/api/v2/test_member.py
+++ b/octavia_tempest_plugin/tests/api/v2/test_member.py
@@ -141,6 +141,8 @@
         cls.listener_pool_cache[listener_pool_key] = pool[const.ID]
         return pool[const.ID]
 
+
+class MemberAPITest1(MemberAPITest):
     @decorators.idempotent_id('0684575a-0970-4fa8-8006-10c2b39c5f2b')
     def test_ipv4_HTTP_LC_alt_monitor_member_create(self):
         pool_id = self._listener_pool_create(
@@ -1375,6 +1377,8 @@
             self.assertTrue(not any(["" in member[const.TAGS]
                                      for member in list_of_members]))
 
+
+class MemberAPITest2(MemberAPITest):
     @decorators.idempotent_id('2674b363-7922-494a-b121-cf415dbbb716')
     def test_HTTP_LC_alt_monitor_member_show(self):
         pool_id = self._listener_pool_create(