refactor: add test:native

This adds a new script to run native tests (i.e. --help which should run
in ci on all platforms).

ci/dev/test-native.sh

@@ -0,0 +1,39 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+help() {
+  echo >&2 "  You can build the standalone release with 'yarn release:standalone'"
+  echo >&2 "  Or you can pass in a custom path."
+  echo >&2 "  CODE_SERVER_PATH='/var/tmp/coder/code-server/bin/code-server' yarn test:integration"
+}
+
+# Make sure a code-server release works. You can pass in the path otherwise it
+# will look for release-standalone in the current directory.
+#
+# This is to make sure we don't have Node version errors or any other
+# compilation-related errors.
+main() {
+  cd "$(dirname "$0")/../.."
+
+  source ./ci/lib.sh
+
+  local path="$RELEASE_PATH-standalone/bin/code-server"
+  if [[ ! ${CODE_SERVER_PATH-} ]]; then
+    echo "Set CODE_SERVER_PATH to test another build of code-server"
+  else
+    path="$CODE_SERVER_PATH"
+  fi
+
+  echo "Running tests with code-server binary: '$path'"
+
+  if [[ ! -f $path ]]; then
+    echo >&2 "No code-server build detected"
+    echo >&2 "Looked in $path"
+    help
+    exit 1
+  fi
+
+  CODE_SERVER_PATH="$path" ./test/node_modules/.bin/jest "$@" --coverage=false --testRegex "./test/integration/help.test.ts"
+}
+
+main "$@"