fix: adjust filepath

tests/integration/encoders/test_openai_integration.py

@@ -3,7 +3,7 @@ import pytest
 
 from semantic_router.encoders import OpenAIEncoder
 
-with open("tests/integration/encoders/57640.4032.txt", "r") as fp:
+with open("tests/integration/57640.4032.txt", "r") as fp:
     long_doc = fp.read()