org.junit.Test和junit.framework.Test包之间的区别

<project name="JunitSuite" basedir="." default="clean">

    <property name="${src}" value="./src/JunitSuiteProject" />
    <property name="${build}" value="./build" />
    <property name="package" value="JunitSuiteProject"/>
    <property name= "jar" value="./build/jar"/>

    <target name="clean">
        <delete dir="./build"/>
        <mkdir dir="./build"/>
        <mkdir dir="./build/jar"/>
    </target>

<target name="run">
        <junit printsummary="yes" haltonfailure="yes" showoutput="yes">
            <classpath location="C:\Program Files\Java\apache-ant-1.9.2\lib\selenium-server-standalone-2.35.0.jar"/>
            <classpath location="E:\Swaroop Don't Touch\Selenium\eclipse-jee-juno-SR2-win32\eclipse\plugins\org.junit_3.8.2.v3_8_2_v20100427-1100\junit.jar"/>
            <classpath location="C:\Program Files\Java\apache-ant-1.9.2\lib\*.jar"/>
            <classpath location="E:\Swaroop Don't Touch\Selenium\eclipse-jee-juno-SR2-win32\eclipse\plugins\"/>
            <formatter type="brief" usefile="false"/>               
        <batchtest fork="yes"> 
            <fileset dir="C:\Program Files\Java\apache-ant-1.9.2\lib" includes="selenium-server-standalone-2.35.0.jar"/>
            <fileset dir="E:\Swaroop Don't Touch\Selenium\eclipse-jee-juno-SR2-win32\eclipse\plugins\org.junit_3.8.2.v3_8_2_v20100427-1100" includes="junit.jar"/>
            <fileset dir="C:\Program Files\Java\apache-ant-1.9.2\lib" includes="*.jar"/>
            <fileset dir="./build" includes="**/AllTests.*"/> 
        </batchtest>
     </junit>
</target>   

    <target name="compile">
        <javac srcdir="./src/JunitSuiteProject" destdir="./build" includeantruntime="true">
                  <classpath location="C:\Program Files\Java\apache-ant-1.9.2\lib\selenium-server-standalone-2.35.0.jar" />
        </javac>
    </target>

    <target name="jar">
        <jar destfile="./build/jar/JunitSuite.jar" basedir="./build">
        </jar>
      </target>

</project>
    **************************************************************

    package JunitSuiteProject;


    import junit.framework.TestSuite;
    import junit.framework.Test;
    import org.junit.runners.Suite;
    import org.junit.runner.RunWith;
    import org.junit.runners.Suite.SuiteClasses;

    @RunWith(Suite.class)
    @SuiteClasses({JunitTest1.class})


    public class AllTests extends TestSuite{

        public static Test Suite(){
        TestSuite g = new TestSuite();
        g.addTest(new JunitTest1("testprintTest"));
        return g;
    }
        public static void main(String[]args){
            junit.textui.TestRunner.run(Suite());
        }
    }
<project name="JunitSuite" basedir="." default=