Add ability to uninstall service

tests/integration_tests/system/test_database_on_node.py

@@ -20,3 +20,37 @@ def test_installing_database():
     node = Node(hostname="db-server")
 
     node.install_service(db)
+
+    assert db in node
+
+    file_exists = False
+    for folder in node.file_system.folders.values():
+        for file in folder.files.values():
+            if file.name == "db_primary_store":
+                file_exists = True
+                break
+        if file_exists:
+            break
+    assert file_exists
+
+
+def test_uninstalling_database():
+    db = DatabaseService(
+        name="SQL-database",
+        health_state_actual=SoftwareHealthState.GOOD,
+        health_state_visible=SoftwareHealthState.GOOD,
+        criticality=SoftwareCriticality.MEDIUM,
+        ports=[
+            Port.SQL_SERVER,
+        ],
+        operating_state=ServiceOperatingState.RUNNING,
+    )
+
+    node = Node(hostname="db-server")
+
+    node.install_service(db)
+
+    node.uninstall_service(db)
+
+    assert db not in node
+    assert node.file_system.get_folder_by_name("database") is None