Fix testhelper.deepDiffEqual (#374)

* Fix deepdiff comparison with maps

* Fix RemainingKeys function

* Fix unit tests

* Another fix of RemainingKeys

* RemainingKeys cleanup

* Simplifying RemainingKeys

* Revert continue on invalid. Fix broken tests

Related-PROD: PROD-28126

Change-Id: Ifc5afaf1278c7cff3a89b23a1fd1876aac1dff34
diff --git a/openstack/db/v1/configurations/testing/fixtures.go b/openstack/db/v1/configurations/testing/fixtures.go
index 63d028a..e36d610 100644
--- a/openstack/db/v1/configurations/testing/fixtures.go
+++ b/openstack/db/v1/configurations/testing/fixtures.go
@@ -154,6 +154,6 @@
 	Updated:              timeVal,
 	Values: map[string]interface{}{
 		"collation_server": "latin1_swedish_ci",
-		"connect_timeout":  120,
+		"connect_timeout":  float64(120),
 	},
 }