diff --git a/tests/conftest.py b/tests/conftest.py
index 56538f330b..91a1177b1b 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -55,7 +55,7 @@ def pytest_terminal_summary(terminalreporter, exitstatus, config):
 from datadog_api_client import exceptions
 from datadog_api_client.api_client import ApiClient
 from datadog_api_client.configuration import Configuration
-from datadog_api_client.model_utils import OpenApiModel
+from datadog_api_client.model_utils import OpenApiModel, file_type
 
 logging.basicConfig()
 
@@ -581,7 +581,13 @@ def execute_request(undo, context, client, api_version, request):
 
     params_map = getattr(api_request["api"], f'_{api_request["request"].__name__}_endpoint').params_map
     for k, v in api_request["kwargs"].items():
-        api_request["kwargs"][k] = client.deserialize(v, params_map[k]["openapi_types"], True)
+        openapi_types = params_map[k]["openapi_types"]
+        if openapi_types == (file_type,):
+            filepath = os.path.join(os.path.dirname(__file__), api_version, "features", json.loads(v))
+            # We let the GC collects it, this shouldn't be an issue
+            api_request["kwargs"][k] = open(filepath)
+        else:
+            api_request["kwargs"][k] = client.deserialize(v, openapi_types, True)
 
     try:
         response = api_request["request"](*api_request["args"], **api_request["kwargs"])