Example config

testng.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE suite SYSTEM "http://testng.org/testng-1.0.dtd">
<suite name="Suite" parallel="classes" thread-count="5">
	<listeners>
	</listeners>
	<parameter name="" value=""></parameter>
	<test name="ExampleTest">
		<parameter name="WEBSITE" data-required="true"/>
		<parameter name="TITLE" data-required="true"/>
		<parameter name="SEARCH_TEXT"/>
  	<packages>
			 <package name="com.automation.seleniumProject.tests"></package>
		</packages>
	</test>
	<test name="PageTest">
		<parameter name="WEBSITE" data-required="true"/>
		<parameter name="TITLE" data-required="true"/>
		<parameter name="SEARCH_TEXT"/>
  	<packages>
			 <package name="com.automation.seleniumProject.tests"></package>
		</packages>
	</test>
	<test name="TitleTest">
		<parameter name="WEBSITE" data-required="true"/>
		<parameter name="TITLE" data-required="true"/>
		<parameter name="SEARCH_TEXT"/>
  	<packages>
			 <package name="com.automation.seleniumProject.tests"></package>
		</packages>
	</test>
	<test name="ScreenshotsTest">
		<parameter name="WEBSITE1" data-required="true"/>
		<parameter name="WEBSITE2" data-required="true"/>
		<parameter name="WEBSITE3" data-required="true"/>
  	<packages>
			 <package name="com.automation.seleniumProject.tests"></package>
		</packages>
	</test>
</suite> <!-- Suite -->