hack to close the dn connection after tests

backend/src/graphql/resolver/CommunityResolver.test.ts

@@ -9,10 +9,17 @@ jest.mock('../../config')
 
 let query: any
 
-beforeAll(async () => {
-  const { apollo } = await createServer({})
+// to do: We need a setup for the tests that closes the connection
+let con: any
 
-  query = createTestClient(apollo).query
+beforeAll(async () => {
+  const server = await createServer({})
+  con = server.con
+  query = createTestClient(server.apollo).query
+})
+
+afterAll(async () => {
+  await con.close()
 })
 
 describe('CommunityResolver', () => {

backend/src/server/createServer.ts

@@ -57,7 +57,7 @@ const createServer = async (context: any = serverContext): Promise<any> => {
     plugins,
   })
   apollo.applyMiddleware({ app })
-  return { apollo, app }
+  return { apollo, app, con }
 }
 
 export default createServer