Tests: Add asserts and update test reference

integration_tests/test_intrinsic_function_mixed_print.py

@@ -4,14 +4,22 @@ def test_intrinsic_function_mixed_print():
     # list and list methods
     my_list: list[i32] = [1, 2, 3, 4, 5]
     print("Popped element:", my_list.pop())
+    assert my_list == [1, 2, 3, 4]
+
     print("1 is located at:", my_list.index(1))
+    assert my_list.index(1) == 0
+
     my_list.append(2)
     print("2 is present", my_list.count(2), "times")
+    assert my_list.count(2) == 2
+
     print(my_list.pop(), my_list)
+    assert my_list == [1, 2, 3, 4]
 
     # dict and dict methods
     my_dict: dict[str, i32] = {"first": 1, "second": 2, "third": 3}
     print("Keys:", my_dict.keys())
     print("Value of 'third':", my_dict.pop("third"))
+    assert len(my_dict.keys()) == 2
 
 test_intrinsic_function_mixed_print()

tests/reference/runtime-test_intrinsic_function_mixed_print-a862825.json

@@ -2,7 +2,7 @@
     "basename": "runtime-test_intrinsic_function_mixed_print-a862825",
     "cmd": "lpython {infile}",
     "infile": "tests/../integration_tests/test_intrinsic_function_mixed_print.py",
-    "infile_hash": "eb30139022c49be86015547192341d98c3b05e74da74e17dc621bef3",
+    "infile_hash": "b0f779598e5d9868d183f1032fb3f87c131fedacf7848aaed6c4d238",
     "outfile": null,
     "outfile_hash": null,
     "stdout": "runtime-test_intrinsic_function_mixed_print-a862825.stdout",