ci: simplify mssql configuration

.github/workflows/ci.yml

@@ -160,6 +160,8 @@ jobs:
           --health-retries 10
     env:
       DIALECT: mssql
+      SEQ_USER: SA
+      SEQ_PW: Password12!
     steps:
       - run: /opt/mssql-tools/bin/sqlcmd -S localhost -U SA -P "Password12!" -Q "CREATE DATABASE sequelize_test; ALTER DATABASE sequelize_test SET READ_COMMITTED_SNAPSHOT ON;"
       - uses: actions/checkout@v2

test/config/config.js

 'use strict';
 
-const fs = require('fs');
-let mssqlConfig;
-try {
-  mssqlConfig = JSON.parse(fs.readFileSync(`${__dirname}/mssql.json`, 'utf8'));
-} catch (e) {
-  // ignore
-}
-const env = process.env;
+const { env } = process;
 
 module.exports = {
   username: env.SEQ_USER || 'root',
@@ -23,16 +16,16 @@ module.exports = {
     return parseInt(Math.random() * 999, 10);
   },
 
-  mssql: mssqlConfig || {
-    database: env.SEQ_MSSQL_DB || env.SEQ_DB || 'sequelize_test',
-    username: env.SEQ_MSSQL_USER || env.SEQ_USER || 'sequelize',
-    password: env.SEQ_MSSQL_PW || env.SEQ_PW || 'nEGkLma26gXVHFUAHJxcmsrK',
-    host: env.SEQ_MSSQL_HOST || env.SEQ_HOST || '127.0.0.1',
+  mssql: {
+    host: env.SEQ_MSSQL_HOST || env.SEQ_HOST || 'localhost',
+    username: env.SEQ_MSSQL_USER || env.SEQ_USER || 'SA',
+    password: env.SEQ_MSSQL_PW || env.SEQ_PW || 'Password12!',
     port: env.SEQ_MSSQL_PORT || env.SEQ_PORT || 1433,
+    database: env.SEQ_MSSQL_DB || env.SEQ_DB || 'sequelize_test',
     dialectOptions: {
       options: {
         encrypt: false,
-        requestTimeout: 60000
+        requestTimeout: 25000
       }
     },
     pool: {

test/config/mssql.json

-{
-  "host": "localhost",
-  "username": "SA",
-  "password": "Password12!",
-  "port": 1433,
-  "database": "sequelize_test",
-  "dialectOptions": {
-    "options": {
-      "encrypt": false,
-      "requestTimeout": 25000
-    }
-  },
-  "pool": {
-    "max": 5,
-    "idle": 3000
-  }
-}