Update appveyor.yml

Author: hazzik

appveyor.yml

@@ -2,13 +2,13 @@ version: '{build}'
 image: Visual Studio 2017
 environment:
   matrix:
+  - DB: MySQL
+    CONNECTION_STRING: Server=127.0.0.1;Uid=root;Pwd=Password12!;Database=nhibernate;Old Guids=True;
   - DB: SqlServer2008
     CONNECTION_STRING: Server=(local)\SQL2017;User ID=sa;Password=Password12!;initial catalog=nhibernate;
   - DB: PostgreSQL
     CONNECTION_STRING: Host=localhost;Port=5432;Username=postgres;Password=Password12!;Database=nhibernate;Enlist=true;
   - DB: Firebird
-  - DB: MySQL
-    CONNECTION_STRING: Server=127.0.0.1;Uid=root;Pwd=Password12!;Database=nhibernate;Old Guids=True;
   - DB: SQLite
 init:
     # Required for having windows endlines in sources zip
@@ -42,6 +42,7 @@ before_test:
         Start-Service 'MySQL57'
         # Create nhibernate database (not handled by NHibernate.TestDatabaseSetup.dll)
         $env:MYSQL_PWD = 'Password12!'
+        & 'C:\Program Files\MySQL\MySQL Server 5.7\bin\mysql' -e "SHOW VARIABLES LIKE 'collation%';" --user=root
         & 'C:\Program Files\MySQL\MySQL Server 5.7\bin\mysql' -e 'CREATE DATABASE nhibernate;' --user=root
       }
       'Odbc' { Start-Service 'MSSQL$SQL2017' }