attempt: proxy shell

Author: glasnt

run/idp-sql/package.json

@@ -15,10 +15,9 @@
   "scripts": {
     "start": "node index.js",
     "unit-test": "c8 mocha -p -j 2 test/app.test.js --timeout=120000 --exit",
-    "system-test": "npm -- run start-proxy && c8 mocha -p -j 2 test/system.test.js --timeout=1800000 --exit",
+    "system-test": "test/proxy-setup.sh && c8 mocha -p -j 2 test/system.test.js --timeout=1800000 --exit",
     "all-test": "npm run unit-test && npm run system-test",
     "test": "npm -- run all-test",
-    "start-proxy": "! pgrep cloud_sql_proxy > /dev/null && cloud_sql_proxy -dir=/cloudsql -instances=$INSTANCE_CONNECTION_NAME &"
   },
   "dependencies": {
     "express": "^4.16.2",

run/idp-sql/test/proxy-setup.sh

@@ -0,0 +1,3 @@
+curl -o cloud-sql-proxy https://storage.googleapis.com/cloud-sql-connectors/cloud-sql-proxy/v2.15.1/cloud-sql-proxy.linux.amd64
+chmod +x cloud-sql-proxy
+cloud_sql_proxy -dir=/cloudsql -instances=$INSTANCE_CONNECTION_NAME &