Update patrole entry_point plugin name

Updating the patrole entry_point plugin name from
'patrole_tempest_plugin' to 'patrole_tests'
Closes-Bug: #1694813

Change-Id: I31cfd09f2a18345c579a5076b4367486bbd51f7d
diff --git a/setup.cfg b/setup.cfg
index d805f62..143d3aa 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -53,6 +53,6 @@
 
 [entry_points]
 tempest.test_plugins =
-    patrole_tempest_plugin = patrole_tempest_plugin.plugin:PatroleTempestPlugin
+    patrole_tests = patrole_tempest_plugin.plugin:PatroleTempestPlugin
 oslo.config.opts =
     patrole.config = patrole_tempest_plugin.config:list_opts