Added tests to cover the code at line 39 in the tracer_analysis_routes.py file.

Author: SonaliBedge

tests/to_refactor/python/test_tracer_analysis_routes.py

@@ -214,11 +214,18 @@ def test_empty_payload(rest_client):
     assert "No payload provided" in json.loads(response.data)["message"]
 
 
-def test_invalid_content_type(rest_client):
-    """Test that non-JSON content type is rejected"""
+def test_validate_tracer_analysis_payload_failure(rest_client):
+    """Test handling of invalid payload from validate_tracer_analysis_payload"""
     response = rest_client.post(
         "/us/tracer-analysis",
-        data="some data",
-        content_type="text/plain",  # Invalid content type
+        json={
+            # Missing required field 'variable'
+            "household_id": VALID_HOUSEHOLD_ID,
+            "policy_id": VALID_POLICY_ID,
+        },
+    )
+    assert response.status_code == 400
+    assert (
+        "Missing required key: variable"
+        in json.loads(response.data)["message"]
     )
-    assert response.status_code == 415