Update expected unit tests in end-to-end test

Author: aseembits93

tests/scripts/end_to_end_test_futurehouse.py

@@ -7,7 +7,7 @@
 def run_test(expected_improvement_pct: int) -> bool:
     config = TestConfig(
         file_path="src/aviary/common_tags.py",
-        expected_unit_tests=2,
+        expected_unit_tests=1,
         min_improvement_x=0.1,
         coverage_expectations=[
             CoverageExpectation(