Update and rename test_classify.py to testx_classify.py

Author: bact

tests/test_classify.py renamed to tests/testx_classify.py

@@ -7,7 +7,7 @@
 from pythainlp.classify import GzipModel
 
 
-class ClsTestCase(unittest.TestCase):
+class ClsTestCaseX(unittest.TestCase):
     def test_GzipModel(self):
         training_data = [
             ("รายละเอียดตามนี้เลยค่าา ^^", "Neutral"),