java/lang/Class/GetPackageTest.java needs update to work with newer testng

java/lang/Class/GetPackageTest.java

Test fails with newer version of testng:

----------System.out:(39/2264)----------
[TestNG] Running:
  java/lang/Class/GetPackageTest.java

config GetPackageTest.loadFooClass(): success
test GetPackageTest.testGetPackage(): skip
org.testng.TestNGException:
Method public void GetPackageTest.testGetPackage(java.lang.Class,java.lang.String) requires a @DataProvider named : testClasses