Tests: Add testcase and update references

Author: kmr-srbh

integration_tests/test_intrinsic_function_mixed_print.py

@@ -7,6 +7,7 @@ def test_intrinsic_function_mixed_print():
     print("1 is located at:", my_list.index(1))
     my_list.append(2)
     print("2 is present", my_list.count(2), "times")
+    print(my_list.pop(), my_list)
 
     # dict and dict methods
     my_dict: dict[str, i32] = {"first": 1, "second": 2, "third": 3}

tests/reference/runtime-test_intrinsic_function_mixed_print-a862825.json

@@ -2,11 +2,11 @@
     "basename": "runtime-test_intrinsic_function_mixed_print-a862825",
     "cmd": "lpython {infile}",
     "infile": "tests/../integration_tests/test_intrinsic_function_mixed_print.py",
-    "infile_hash": "15d9508261f2a05b2146780770d5d3cf25e6304568a497b4d7ab2e05",
+    "infile_hash": "eb30139022c49be86015547192341d98c3b05e74da74e17dc621bef3",
     "outfile": null,
     "outfile_hash": null,
     "stdout": "runtime-test_intrinsic_function_mixed_print-a862825.stdout",
-    "stdout_hash": "47e103dce40a4e7ab41c684afd71ae9565407a5631585fd58d6d18a4",
+    "stdout_hash": "523cab9cb106dd6e41fbabc12f303d93a8c042fc0c733db3d9204739",
     "stderr": null,
     "stderr_hash": null,
     "returncode": 0

tests/reference/runtime-test_intrinsic_function_mixed_print-a862825.stdout

@@ -1,5 +1,6 @@
 5
 0
 2 is present 2 times
+2
 ['second', 'third', 'first']
 Value of 'third': 3