Add regression test for row-count assert mismatch

Signed-off-by: Codex Autopilot <codex-autopilot@example.com>

Author: Codex Autopilot

integration_tests/src/main/python/asserts_regression_test.py

@@ -0,0 +1,16 @@
+"""
+Regression tests for assert helper behavior around scalar row-count comparisons.
+"""
+
+import pytest
+
+from asserts import assert_equal
+
+
+def test_assert_equal_row_count_match():
+    assert_equal(12, 12)
+
+
+def test_assert_equal_row_count_mismatch_raises_assertion_error():
+    with pytest.raises(AssertionError, match=r"int values are different"):
+        assert_equal(35076286, 1296000)