You may create suite xml file and execute your testes using suite xml.
<!DOCTYPE suite SYSTEM "
http://testng.org/testng-1.0.dtd" >
<suite name="TestAll">
<test name="order">
<classes>
<class name="com.kagrana.testng.examples.suite.TestConfig" />
<class name="com.kagrana.testng.examples.suite.TestOrder">
<methods>
<include name="testMakeOrder" />
<include name="testUpdateOrder" />
<!--
<exclude name="testMakeOrder" />
-->
</methods>
</class>
</classes>
</test>
</suite>
Hope it helps