Upstream: No
Reason: Increase delta for 32-bit architectures

diff --git a/tests/test_data_structures.py b/tests/test_data_structures.py
index 4f7597a..30d4fc0 100644
--- a/tests/test_data_structures.py
+++ b/tests/test_data_structures.py
@@ -102,7 +102,7 @@ class TestCompressionParameters(unittest.TestCase):
 
         # 32-bit has slightly different values from 64-bit.
         self.assertAlmostEqual(
-            p.estimated_compression_context_size(), 1295064, delta=400
+            p.estimated_compression_context_size(), 1295064, delta=500
         )
 
     def test_strategy(self):