diff --git a/tests/integration/test_application.py b/tests/integration/test_application.py
index 1a4fcaa..b705832 100644
--- a/tests/integration/test_application.py
+++ b/tests/integration/test_application.py
@@ -1,3 +1,5 @@
+import asyncio
+
 import pytest
 
 from .. import base
@@ -10,9 +12,9 @@
 async def test_action(event_loop):
     async with base.CleanModel() as model:
         ubuntu_app = await model.deploy(
-            'mysql',
+            'percona-cluster',
             application_name='mysql',
-            series='trusty',
+            series='xenial',
             channel='stable',
             config={
                 'tuning-level': 'safest',
@@ -27,11 +29,20 @@
         config = await ubuntu_app.get_config()
         assert config['tuning-level']['value'] == 'fast'
 
+        # Restore config back to default
+        await ubuntu_app.reset_config(['tuning-level'])
+        config = await ubuntu_app.get_config()
+        assert config['tuning-level']['value'] == 'safest'
+
         # update and check app constraints
         await ubuntu_app.set_constraints({'mem': 512 * MB})
         constraints = await ubuntu_app.get_constraints()
         assert constraints['mem'] == 512 * MB
 
+        # check action definitions
+        actions = await ubuntu_app.get_actions()
+        assert 'backup' in actions.keys()
+
 
 @base.bootstrapped
 @pytest.mark.asyncio
@@ -92,3 +103,32 @@
         assert app.data['charm-url'] == 'cs:ubuntu-0'
         await app.upgrade_charm(switch='ubuntu-8')
         assert app.data['charm-url'] == 'cs:ubuntu-8'
+
+
+@base.bootstrapped
+@pytest.mark.asyncio
+async def test_upgrade_charm_resource(event_loop):
+    async with base.CleanModel() as model:
+        app = await model.deploy('cs:~cynerva/upgrade-charm-resource-test-1')
+
+        def units_ready():
+            if not app.units:
+                return False
+            unit = app.units[0]
+            return unit.workload_status == 'active' and \
+                unit.agent_status == 'idle'
+
+        await asyncio.wait_for(model.block_until(units_ready), timeout=480)
+        unit = app.units[0]
+        expected_message = 'I have no resource.'
+        assert unit.workload_status_message == expected_message
+
+        await app.upgrade_charm(revision=2)
+        await asyncio.wait_for(
+            model.block_until(
+                lambda: unit.workload_status_message != 'I have no resource.'
+            ),
+            timeout=60
+        )
+        expected_message = 'My resource: I am the resource.'
+        assert app.units[0].workload_status_message == expected_message