ci(run/system-package): onboard to new testing

.github/config/nodejs-prod.jsonc

@@ -95,7 +95,6 @@
     "recaptcha_enterprise/snippets", // Cannot use import statement outside a module
     "run/idp-sql", // Error: Invalid contents in the credentials file
     "run/markdown-preview/editor", // Error: could not create an identity token: Cannot fetch ID token in this environment, use GCE or set the GOOGLE_APPLICATION_CREDENTIALS environment variable to a service account credentials JSON file
-    "run/system-package", // Error: ENOENT: no such file or directory, access '/usr/bin/dot'
     "scheduler", // SyntaxError: Cannot use import statement outside a module
     "speech", // AssertionError: expected 'Transcription:  Okay, I\'m here.\n Hi…' to match /Terrific. It's on the way./
     "storagetransfer", // CredentialsError: Missing credentials in config, if using AWS_CONFIG_FILE, set AWS_SDK_LOAD_CONFIG=1

run/system-package/Dockerfile

@@ -20,7 +20,7 @@ FROM node:20-alpine
 WORKDIR /usr/src/app
 
 # [START cloudrun_system_package_alpine]
-RUN apk --no-cache add graphviz ttf-ubuntu-font-family
+RUN apk --no-cache add graphviz
 # [END cloudrun_system_package_alpine]
 
 # Copy application dependency manifests to the container image.

run/system-package/package.json

@@ -6,9 +6,10 @@
   "private": true,
   "scripts": {
     "start": "node index.js",
-    "test": "c8 mocha -p -j 2 test/app.test.js --check-leaks",
-    "system-test": "echo 'SKIPPING E2E TEST: SEE b/358734748'",
-    "FIXME-system-test": "c8 mocha -p -j 2 test/system.test.js --timeout=360000 --exit"
+    "test": "npm -- run all-test",
+    "all-test": "npm run unit-test && npm run system-test",
+    "unit-test": "c8 mocha -p -j 2 test/app.test.js --check-leaks",
+    "system-test": "c8 mocha -p -j 2 test/system.test.js --timeout=360000 --exit"
   },
   "engines": {
     "node": ">=18.0.0"

run/system-package/test/app.test.js

@@ -14,9 +14,13 @@
 
 'use strict';
 
+const {execSync} = require('child_process');
 const path = require('path');
 const supertest = require('supertest');
 
+// Manually install system package in testing environment
+execSync('sudo apt install graphviz -y');
+
 describe('Unit Tests', () => {
   const app = require(path.join(__dirname, '..', 'app'));
   const request = supertest(app);