chore: import upstream snapshot with attribution

tests/scripts/task_cpp_unittest.sh

@@ -0,0 +1,38 @@
+#!/usr/bin/env bash
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you 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.
+
+set -euxo pipefail
+
+if [ $# -gt 0 ]; then
+    BUILD_DIR="$1"
+elif [ -n "${TVM_BUILD_PATH:-}" ]; then
+    # TVM_BUILD_PATH may contain multiple space-separated paths.  If
+    # so, use the first one.
+    BUILD_DIR=$(IFS=" "; set -- $TVM_BUILD_PATH; echo $1)
+else
+    BUILD_DIR=build
+fi
+
+# to avoid CI thread throttling.
+export TVM_BIND_THREADS=0
+export OMP_NUM_THREADS=1
+
+pushd "${BUILD_DIR}"
+# run cpp test executable
+./cpptest
+popd