tests: skip the one detector call in the baked-parameter suite

The other two tests in the file run plain backtests on daily data and
still measure the leak on a Community wheel; only the detect_lookahead
call is Pro-gated, so the guard is per-test.

python/tests/test_lookahead_baked_parameter.py

@@ -116,6 +116,13 @@ def test_a_parameter_baked_at_research_time_flatters_the_result(tmp_path):
     )
 
 
+# The one test here that needs the DETECTOR, which is Pro-gated. The other
+# two run plain backtests on daily data and measure the same leak without
+# it, which is exactly what a Community wheel can still verify.
+@pytest.mark.skipif(
+    bt.license_info()[0] != "Pro",
+    reason="requires Pro: the look-ahead detector is gated",
+)
 def test_re_running_alone_returns_a_clean_verdict(tmp_path):
     """A clean verdict here is the correct answer for what re-running measures.