Add scripts/test-all.sh used for local testing

scripts/test-all.sh

@@ -0,0 +1,20 @@
+#!/bin/bash
+
+# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+
+# Test all configurations: gcc-14, gcc-13, clang-18, clang-17.
+# Expected to be run from the root of the project.
+# Expected all configurations to be present in the CMakeLists.txt file and installed on the system.
+# Usage: ./scripts/test-all.sh
+
+set -e
+set -x
+
+# rm -rf .build
+
+cmake --workflow --preset gcc-14   &> /dev/null && echo "passed" || echo "gcc-14 test failed."
+cmake --workflow --preset gcc-13   &> /dev/null && echo "passed" || echo "gcc-13 test failed."
+cmake --workflow --preset clang-18 &> /dev/null && echo "passed" || echo "clang-18 test failed."
+cmake --workflow --preset clang-17 &> /dev/null && echo "passed" || echo "clang-17 test failed."
+
+echo "All tests passed."