diff --git a/tests/test_design_builder.py b/tests/test_design_builder.py
index 704eccc..8371745 100644
--- a/tests/test_design_builder.py
+++ b/tests/test_design_builder.py
@@ -3,6 +3,9 @@
 import pytest
 import math
 
+# Maximum number of results to request in solve() calls for testing
+MAX_RESULTS = 5
+
 
 class TestDesignImports:
     """Test module imports."""