Hide db output from test:backend, and forced concurrently to kill oth…

…er processes when test process ends

package.json

@@ -84,10 +84,10 @@
     "rspec": "bundle exec op run --env-file=.env -- rake spec",
     "cypress": "op run --env-file=.env -- cypress open --e2e --browser chrome",
     "test": "npm run format:check && npm run lint && npm run test:coverage",
-    "test:backend": "concurrently --prefix-colors auto npm:db npm:rspec",
+    "test:backend": "concurrently --prefix-colors auto --hide db --kill-others npm:db npm:rspec",
     "test:bdd": "karma start karma-bdd.conf.js",
     "test:coverage": "karma start",
-    "test:e2e": "npm run build && concurrently --prefix-colors auto npm:web:test npm:db npm:cypress",
+    "test:e2e": "npm run build && concurrently --prefix-colors auto --kill-others npm:web:test npm:db npm:cypress",
     "deploy": "fly deploy --build-arg NODE_VERSION=$npm_package_engines_node --build-arg NPM_VERSION=$npm_package_engines_npm --build-arg RUBY_VERSION=$npm_package_engines_ruby",
     "deploy:staging": "npm run deploy -- --app loottest",
     "deploy:production": "npm run deploy -- --app lootprod",