datadog-plugin-mongoose test remove forgotten skip condition for versions >= 8.10.0 (#5238)

* remove skip condition :S

* await disconnect

Author: iunanua

packages/datadog-plugin-mongoose/test/index.spec.js

@@ -12,8 +12,7 @@ describe('Plugin', () => {
   describe('mongoose', () => {
     withVersions('mongoose', ['mongoose'], (version) => {
       const specificVersion = require(`../../../versions/mongoose@${version}`).version()
-      if ((NODE_MAJOR === 14 && semver.satisfies(specificVersion, '>=8')) ||
-        semver.satisfies(specificVersion, '>=8.10.0')) return
+      if ((NODE_MAJOR === 14 && semver.satisfies(specificVersion, '>=8'))) return
 
       let mongoose
 
@@ -44,8 +43,8 @@ describe('Plugin', () => {
         await connect()
       })
 
-      after(() => {
-        return mongoose.disconnect()
+      after(async () => {
+        return await mongoose.disconnect()
       })
 
       after(() => {