fix script

Author: madhur-ob

test/core/run_tests.py

@@ -373,7 +373,7 @@ def run_test_cases(args):
     "--inherit-env", is_flag=True, default=False, help="Inherit env variables"
 )
 @click.option(
-    "--use-chaining-api",
+    "--use-chaining-api/--no-chaining-api",
     is_flag=True,
     default=False,
     help="Use low-level chaining API to generate commands.",

test_runner

@@ -27,9 +27,12 @@ run_runtime_card_tests() {
   cd test/core && PYTHONPATH=`pwd`/../../ python3 run_tests.py --num-parallel 8 --contexts python3-all-local-cards-realtime --graphs $CARD_GRAPHS "$@" && cd ../../
 }
 
-if [[ "$1" == "chain" ]]; then
+if [[ "${1:-}" == "chain" ]]; then
   shift
   USE_CHAINING_API="--use-chaining-api"
+else
+  # Otherwise, set USE_CHAINING_API to "--no-chaining-api"
+  USE_CHAINING_API="--no-chaining-api"
 fi
 
 install_deps && install_extensions && run_tests "$USE_CHAINING_API" && run_runtime_card_tests "$USE_CHAINING_API"