refactor: add scripts to separate unit, e2e tests

ci/dev/test-e2e.sh

@@ -0,0 +1,24 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+main() {
+  cd "$(dirname "$0")/../.."
+  # We must keep jest in a sub-directory. See ../../test/package.json for more
+  # information. We must also run it from the root otherwise coverage will not
+  # include our source files.
+  if [[ -z ${PASSWORD-} ]] || [[ -z ${CODE_SERVER_ADDRESS-} ]]; then
+    echo "The end-to-end testing suites rely on your local environment"
+    echo -e "\n"
+    echo "Please set the following environment variables locally:"
+    echo "  \$PASSWORD"
+    echo "  \$CODE_SERVER_ADDRESS"
+    echo -e "\n"
+    echo "Please make sure you have code-server running locally with the flag:"
+    echo "  --home \$CODE_SERVER_ADDRESS/healthz "
+    echo -e "\n"
+    exit 1
+  fi
+  CS_DISABLE_PLUGINS=true ./test/node_modules/.bin/jest "$@" --config ./test/jest.e2e.config.ts
+}
+
+main "$@"