From ba147c36b4fb4d51e18563d8796ee2edb68fc408 Mon Sep 17 00:00:00 2001
From: Lindsey Gray <lindsey.gray@gmail.com>
Date: Mon, 12 Feb 2024 09:58:07 -0600
Subject: [PATCH] harden test again shifts in basic column touching

---
 tests/test_inspect.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tests/test_inspect.py b/tests/test_inspect.py
index 6ffc7ed9..fdcfa7bc 100644
--- a/tests/test_inspect.py
+++ b/tests/test_inspect.py
@@ -97,7 +97,10 @@ def test_basic_root_works():
         .fill(events.MET_pt)
     )
 
+    columns = list(dak.necessary_columns(q1_hist).values())[0]
+    assert columns == frozenset({"MET_pt"})
     dask.compute(q1_hist)
+    
 
 
 def test_sample(daa):