1 files changed, 21 insertions, 0 deletions
diff --git a/test.py b/test.py
new file mode 100644
index 00000000..5bd57e0e
--- /dev/null
+++ b/test.py
@@ -0,0 +1,21 @@
+import unittest
+
+
+def sort_numbers(numbers):
+    for i in range(len(numbers)):
+        for j in range(i + 1, len(numbers)):
+            if numbers[i] > numbers[j]:
+                numbers[i], numbers[j] = numbers[j], numbers[i]
+    return numbers[:-1]  # Error here: We're not returning the last number
+
+
+class TestSortNumbers(unittest.TestCase):
+    def test_sort_numbers(self):
+        self.assertEqual(sort_numbers([3, 2, 1]), [1, 2, 3])  # This test will fail
+        self.assertEqual(
+            sort_numbers([4, 2, 5, 1, 3]), [1, 2, 3, 4, 5]
+        )  # This test will fail
+
+
+if __name__ == "__main__":
+    unittest.main()