remove unused unittest

tests/data/test_bugfix.yml

@@ -1,16 +1,6 @@
 - config:
     name: "bugfix testcases."
-    request:
-        base_url: http://127.0.0.1:5000
-        headers:
-            Content-Type: application/json
-
-- test:
-    name: get headers from config
-    request:
-        url: /api/users/1000
-        method: GET
-        headers:
+    base_url: http://127.0.0.1:5000
 
 - test:
     name: bugfix type_match #84

tests/test_runner.py

@@ -238,25 +238,12 @@ class TestRunner(ApiServerUnittest):
         # check if teardown function executed
         self.assertGreater(end_time - start_time, 2)
 
-    def test_run_testcase_with_empty_header(self):
-        testcase_file_path = os.path.join(
-            os.getcwd(), 'tests/data/test_bugfix.yml')
-        tests_mapping = loader.load_tests(testcase_file_path)
-        testcase = tests_mapping["testcases"][0]
-        config_dict_headers = testcase["config"]["request"]["headers"]
-        test_dict_headers = testcase["teststeps"][0]["request"]["headers"]
-        headers = deep_update_dict(
-            config_dict_headers,
-            test_dict_headers
-        )
-        self.assertEqual(headers["Content-Type"], "application/json")
-
     def test_bugfix_type_match(self):
         testcase_file_path = os.path.join(
             os.getcwd(), 'tests/data/test_bugfix.yml')
         testcases = loader.load_file(testcase_file_path)
 
-        test = testcases[2]["test"]
+        test = testcases[1]["test"]
         self.test_runner.run_test(test)
 
     def test_run_validate_elapsed(self):