From 68ede979327d30f70289c2fd690920b66114867e Mon Sep 17 00:00:00 2001
From: Andrew Herzing <andrew.herzing@nist.gov>
Date: Tue, 16 Jul 2024 09:55:40 -0400
Subject: [PATCH] Changed test for invert method

---
 tomotools/tests/test_base.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/tomotools/tests/test_base.py b/tomotools/tests/test_base.py
index 8522e05..66332b8 100644
--- a/tomotools/tests/test_base.py
+++ b/tomotools/tests/test_base.py
@@ -86,8 +86,9 @@ def test_stack_normalize(self):
         assert norm.data.min() == 0.0
 
     def test_stack_invert(self):
-        # stack = ds.get_needle_data()
-        stack = CommonStack(np.random.random([10, 100, 100]))
+	im = np.zeros([10,100,100])
+	im[:,40:60,40:60] = 10
+        stack = CommonStack(im)
         invert = stack.invert()
         hist, bins = np.histogram(stack.data)
         hist_inv, bins_inv = np.histogram(invert.data)