Cleanup integration test dir (#3308)

tests/integration_tests/utilities/test_serpapi.py

@@ -0,0 +1,9 @@
+"""Integration test for SerpAPI."""
+from langchain.utilities import SerpAPIWrapper
+
+
+def test_call() -> None:
+    """Test that call gives the correct answer."""
+    chain = SerpAPIWrapper()
+    output = chain.run("What was Obama's first name?")
+    assert output == "Barack Hussein Obama II"