Adding support for updating users
diff --git a/openstack/identity/v2/users/fixtures.go b/openstack/identity/v2/users/fixtures.go
index 002feb0..399b9f0 100644
--- a/openstack/identity/v2/users/fixtures.go
+++ b/openstack/identity/v2/users/fixtures.go
@@ -47,6 +47,17 @@
 		th.TestMethod(t, r, "POST")
 		th.TestHeader(t, r, "X-Auth-Token", fake.TokenID)
 
+		th.TestJSONRequest(t, r, `
+{
+    "user": {
+		    "name": "new_user",
+		    "tenant_id": "12345",
+				"enabled": false,
+				"email": "new_user@foo.com"
+    }
+}
+	`)
+
 		w.Header().Add("Content-Type", "application/json")
 		w.WriteHeader(http.StatusOK)
 
@@ -85,3 +96,35 @@
 `)
 	})
 }
+
+func MockUpdateUser(t *testing.T) {
+	th.Mux.HandleFunc("/users/c39e3de9be2d4c779f1dfd6abacc176d", func(w http.ResponseWriter, r *http.Request) {
+		th.TestMethod(t, r, "PUT")
+		th.TestHeader(t, r, "X-Auth-Token", fake.TokenID)
+
+		th.TestJSONRequest(t, r, `
+{
+    "user": {
+		    "name": "new_name",
+		    "enabled": true,
+		    "email": "new_email@foo.com"
+    }
+}
+`)
+
+		w.Header().Add("Content-Type", "application/json")
+		w.WriteHeader(http.StatusOK)
+
+		fmt.Fprintf(w, `
+{
+		"user": {
+				"name": "new_name",
+				"tenant_id": "12345",
+				"enabled": true,
+				"email": "new_email@foo.com",
+				"id": "c39e3de9be2d4c779f1dfd6abacc176d"
+		}
+}
+`)
+	})
+}