add paratest support

Author: jrushlow

doctrine/doctrine-bundle/2.3/config/packages/test/doctrine.yaml

@@ -1,5 +1,7 @@
-doctrine:
-    dbal:
-        # Overrides the database name in the test environment only
-        # "host", "port", "username", & "password" can also be set to override their respective url parts
-        dbname: main_test
+#doctrine:
+#    dbal:
+#        # Overrides the database name in the test environment only
+#        # "host", "port", "username", & "password" can also be set to override their respective url parts
+#        #
+#        # If you're using ParaTest, "TEST_TOKEN" is set by ParaTest otherwise nothing is appended to the database name.
+#        dbname: main_test%env(default::TEST_TOKEN)%