--- a
+++ b/tests/utils/test_format.py
@@ -0,0 +1,16 @@
+from inmoose.utils import round_scientific_notation, truncate_name
+
+
+def test_round_scientific_notation(self):
+    """Test rounding of small positive numbers."""
+    result = round_scientific_notation(0.0000123456)
+    self.assertEqual(result, "1.23e-05")
+
+
+def test_truncate_name(self):
+    """Test case where the name is longer than max_length."""
+    result = truncate_name("ThisNameIsTooLong", 11)
+    self.assertEqual(result, "ThisName...")
+
+    result = truncate_name("ThisNameIsShort", 15)
+    self.assertEqual(result, "ThisNameIsShort")