relocate testcase validator

httprunner/testcase.py

@@ -32,47 +32,6 @@ def extract_functions(content):
         return []
 
 
-def is_testset(data_structure):
-    """ check if data_structure is a testset
-    testset should always be in the following data structure:
-        {
-            "name": "desc1",
-            "config": {},
-            "api": {},
-            "testcases": [testcase11, testcase12]
-        }
-    """
-    if not isinstance(data_structure, dict):
-        return False
-
-    if "name" not in data_structure or "testcases" not in data_structure:
-        return False
-
-    if not isinstance(data_structure["testcases"], list):
-        return False
-
-    return True
-
-def is_testsets(data_structure):
-    """ check if data_structure is testset or testsets
-    testsets should always be in the following data structure:
-        testset_dict
-        or
-        [
-            testset_dict_1,
-            testset_dict_2
-        ]
-    """
-    if not isinstance(data_structure, list):
-        return is_testset(data_structure)
-
-    for item in data_structure:
-        if not is_testset(item):
-            return False
-
-    return True
-
-
 def gen_cartesian_product(*args):
     """ generate cartesian product for lists
     @param