Force bazel version in tests

Author: lurtz

src/s-core-devcontainer/.devcontainer/s-core-local/tests/test_default.sh

@@ -29,7 +29,14 @@ check "validate pylint is working" bash -c "pylint --version"
 
 # Bazel-related tools
 check "validate bazelisk is working and has the correct version" bash -c "bazelisk version | grep '${bazelisk_version}'"
+
+## This is the bazel version preinstalled in the devcontainer.
+## A solid test would disable the network interface first to prevent a different version from being downloaded,
+## but that requires CAP_NET_ADMIN, which is not yet added.
+export USE_BAZEL_VERSION=${bazel_version}
 check "validate bazel is working and has the correct version" bash -c "bazel version | grep '${bazel_version}'"
+unset USE_BAZEL_VERSION
+
 check "validate buildifier is working and has the correct version" bash -c "buildifier --version | grep '${buildifier_version}'"
 check "validate starpls is working and has the correct version" bash -c "starpls version | grep '${starpls_version}'"
 check "validate bazel-compile-commands is working and has the correct version" bash -c "bazel-compile-commands --version 2>&1 | grep '${bazel_compile_commands_version}'"