test cases for suite Ti_AppTestSuite

Test cases:
test_custom_values 
		  test_setObjectGetObject 
		  test_userDefaultProperties_A 
		  test_userDefaultProperties_B 
		  test_encodeURIComponent 
		  test_caseWrong 
		  test_keyboardVisible 
		  test_getDoubleInt 
		  test_changeEvent 
		  test_setObjectNullValue