feat: adds helper script for running & summarizing functional tests

Signed-off-by: Terry Kong <terryk@nvidia.com>

tests/functional/run_all.sh

@@ -0,0 +1,45 @@
+#!/bin/bash
+
+# Copyright (c) 2024, NVIDIA CORPORATION.  All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
+cd $SCRIPT_DIR/test_cases
+
+set -u
+
+# Define ANSI color codes
+RED='\033[0;31m'
+GREEN='\033[0;32m'
+YELLOW='\033[0;33m'
+NC='\033[0m' # No Color
+
+for script in $(ls | grep -v '\.log$'); do
+  echo -n "[Running] $script..."
+
+  start_time=$(date +%s.%N)
+  output=$(bash "$script" 2>&1)
+  exit_code=$?
+  end_time=$(date +%s.%N)
+  elapsed=$(echo "$end_time $start_time" | awk '{print $1 - $2}')
+
+  if [[ $exit_code -eq 0 ]]; then
+    echo -e "${GREEN}PASSED${NC} (Time: ${elapsed}s)"
+  else
+    echo -e "${RED}FAILED${NC} (Time: ${elapsed}s)"
+    echo -e "${YELLOW}"
+    echo "$output" | tail -n 10
+    echo -e "${NC}"
+  fi
+done