More noodling

Author: JDBetteridge

tests/test_dimension.py

@@ -1504,10 +1504,13 @@ def test_stepping_dim_in_condition_lowering(self):
         part2 = 'g[t1][x + 1][y + 1] = g[t0][x + 1][y + 1] + 1'
         whole_code = str(op.ccode)
 
-        loc = whole_code.find(part1)
-        assert loc != -1
-        loc = whole_code.find(part2, loc + len(part1))
-        assert loc != -1
+        try:
+            loc = whole_code.find(part1)
+            assert loc != -1
+            loc = whole_code.find(part2, loc + len(part1))
+            assert loc != -1
+        except AssertionError as e:
+            raise AssertionError(whole_code) from e
 
     def test_expr_like_lowering(self):
         """