Update reference tests

Author: Smit-create

tests/reference/asr-callback_01-64f7a94.json

@@ -0,0 +1,13 @@
+{
+    "basename": "asr-callback_01-64f7a94",
+    "cmd": "lpython --show-asr --indent --no-color {infile} -o {outfile}",
+    "infile": "tests/../integration_tests/callback_01.py",
+    "infile_hash": "c3ab71a93f40edda000ae863149c38c388bb43a8329ebae9320a7ab4",
+    "outfile": null,
+    "outfile_hash": null,
+    "stdout": "asr-callback_01-64f7a94.stdout",
+    "stdout_hash": "0b2b8730f07fc9aad59a2c4f1dc9060bcd022d05fb5bf2f34e5f8b4b",
+    "stderr": null,
+    "stderr_hash": null,
+    "returncode": 0
+}