fix(pg): fix test add disableCallback

Author: Shadowbeetle

test/instrumentations/pg/pg.spec.js

@@ -48,6 +48,7 @@ describe('pg module wrapper', function () {
           qryArguments,
           fakeAgent,
           {
+            disableCallback: true,
             host: 'localhost:5432',
             method: 'SELECT',
             protocol: 'pg',
@@ -88,6 +89,7 @@ describe('pg module wrapper', function () {
           qryArguments,
           fakeAgent,
           {
+            disableCallback: true,
             host: 'localhost:5432',
             method: 'SELECT',
             protocol: 'pg',