fixed pytest error

jmafoster1 · jmafoster1 · commit b9d2504f9fcb · 2025-02-17T13:35:13.000Z
diff --git a/tests/estimation_tests/test_experimental_estimator.py b/tests/estimation_tests/test_experimental_estimator.py
@@ -23,7 +23,7 @@ def run_system(self, configuration: dict):
         :returns: Dictionary with the output.
         """
         sut = SystemUnderTest()
-        return {"Y": sut.run(configuration["x"])}
+        return {"Y": sut.run(configuration["X"])}
 
 
 class TestExperimentalEstimator(unittest.TestCase):
