Prevents conflict with potential user-set option.
For #5755
<server name="DB_CONNECTION" value="mysql_testing"/>
<server name="BCRYPT_ROUNDS" value="4"/>
<server name="MAIL_DRIVER" value="array"/>
+ <server name="MAIL_PORT" value="587"/>
<server name="MAIL_VERIFY_SSL" value="true"/>
<server name="LOG_CHANNEL" value="single"/>
<server name="AUTH_METHOD" value="standard"/>