create a TwitterClientTest Class with a staticMethodsTest.
add a mainTest to TwitterClientTest Class. Use Reflection invoke the main function and join with timeout.
delete mainTest. rename staticMethodsTest to testconstructor. test the initialize of the TwitterClient class in testconstructor test case.
Merge branch 'test-TwitterClient' into master-test
delete mainTest. rename staticMethodsTest to testconstructor. test the initialize of the TwitterClient class in testconstructor test case.
Merge branch 'test-TwitterClient' into master-test