add SslMode=none to mysql connection string

appveyor.yml

@@ -4,7 +4,7 @@ environment:
   BUILDING_ON_PLATFORM: win
   BuildEnvironment: appveyor
   Cap_SqlServer_ConnectionStringTemplate: Server=(local)\SQL2014;Database={0};User ID=sa;Password=Password12!
-  Cap_MySql_ConnectionStringTemplate: Server=localhost;Database={0};Uid=root;Pwd=Password12!;Allow User Variables=True
+  Cap_MySql_ConnectionStringTemplate: Server=localhost;Database={0};Uid=root;Pwd=Password12!;Allow User Variables=True;SslMode=none
   Cap_PostgreSql_ConnectionStringTemplate: Server=localhost;Database={0};UserId=postgres;Password=Password12!
 services:
   - mssql2014

test/DotNetCore.CAP.MySql.Test/ConnectionUtil.cs

@@ -12,7 +12,7 @@ namespace DotNetCore.CAP.MySql.Test
         private const string DefaultDatabaseName = @"DotNetCore.CAP.MySql.Test";
 
         private const string DefaultConnectionStringTemplate =
-            @"Server=localhost;Database={0};Uid=root;Pwd=123123;Allow User Variables=True;";
+            @"Server=localhost;Database={0};Uid=root;Pwd=123123;Allow User Variables=True;SslMode=none;";
 
         public static string GetDatabaseName()
         {