注册自定义标记时，增加去重处理

conftest.py

@@ -23,15 +23,19 @@ def pytest_configure(config):
     注册自定义标记
     """
     # 注册自定义标记
-    logger.trace(f"需要注册的标记：{CUSTOM_MARKERS}")
-    for custom_marker in CUSTOM_MARKERS:
+    logger.debug(f"需要注册的标记：{CUSTOM_MARKERS}")
+    # 对标记进行去重处理
+    unique_markers = []
+    for item in CUSTOM_MARKERS:
+        if item not in unique_markers:
+            unique_markers.append(item)
+    # 注册标记
+    for custom_marker in unique_markers:
         if isinstance(custom_marker, str):
             config.addinivalue_line('markers', f'{custom_marker}')
-            logger.debug(f"注册了自定义标记：{custom_marker}")
         elif isinstance(custom_marker, dict):
             for k, v in custom_marker.items():
                 config.addinivalue_line('markers', f'{k}:{v}')
-            logger.debug(f"注册了自定义标记：{custom_marker}")
 
 
 def pytest_terminal_summary(terminalreporter, config):