diff --git a/neutron_tempest_plugin/api/test_port_forwardings.py b/neutron_tempest_plugin/api/test_port_forwardings.py
index 5abc8bb1..82c3a34b 100644
--- a/neutron_tempest_plugin/api/test_port_forwardings.py
+++ b/neutron_tempest_plugin/api/test_port_forwardings.py
@@ -76,12 +76,22 @@ class PortForwardingTestJSON(base.BaseNetworkTest):
         self.assertEqual(port['fixed_ips'][0]['ip_address'],
                          pf['internal_ip_address'])
 
+        # Now lets try to remove Floating IP with existing port forwarding,
+        # this should fails
+        self.assertRaises(exceptions.Conflict,
+                          self.delete_floatingip, fip)
+
         # Delete port forwarding
         self.client.delete_port_forwarding(fip['id'], pf['id'])
         self.assertRaises(exceptions.NotFound,
                           self.client.get_port_forwarding,
                           fip['id'], pf['id'])
 
+        # Now Floating IP should be deleted properly
+        self.delete_floatingip(fip)
+        self.assertRaises(exceptions.NotFound,
+                          self.client.get_floatingip, fip['id'])
+
     @decorators.idempotent_id('aa842070-39ef-4b09-9df9-e723934f96f8')
     @utils.requires_ext(extension="expose-port-forwarding-in-fip",
                         service="network")
@@ -170,3 +180,17 @@ class PortForwardingTestJSON(base.BaseNetworkTest):
             internal_ip_address=port['fixed_ips'][0]['ip_address'],
             internal_port=1111, external_port=2222,
             protocol="tcp")
+
+    @decorators.idempotent_id('4ca72d40-93e4-485f-a876-76caf33c1fe6')
+    def test_associate_port_forwarding_to_port_with_fip(self):
+        port = self.create_port(self.network)
+        self.create_floatingip(port=port)
+        fip_for_pf = self.create_floatingip()
+        self.assertRaises(
+            exceptions.Conflict,
+            self.create_port_forwarding,
+            fip_for_pf['id'],
+            internal_port_id=port['id'],
+            internal_ip_address=port['fixed_ips'][0]['ip_address'],
+            internal_port=1111, external_port=2222,
+            protocol="tcp")