Added --runInBand for 'test' script in order to check how will it aff…

…ect building in CI-environment

package.json

@@ -12,7 +12,7 @@
     "serve-local": "ws --spa index.html -d build -p 3001 --rewrite '/api/(.*) -> http://localhost:3000/$1' --rewrite '/auth/(.*) -> http://localhost:3030/auth/$1'",
     "build-and-serve": "yarn run build && yarn run serve",
     "update-runtime-env": "ts-node -P ./scripts/tsconfig.json --files scripts/update-runtime-env.ts",
-    "test": "TEST=true yarn run update-runtime-env && DEBUG_PRINT_LIMIT=50000 react-scripts test",
+    "test": "TEST=true yarn run update-runtime-env && DEBUG_PRINT_LIMIT=50000 react-scripts test --runInBand",
     "testCI": "TEST=true yarn run update-runtime-env && CI=TRUE DEBUG_PRINT_LIMIT=50000 react-scripts test --runInBand",
     "eject": "react-scripts eject",
     "type-check": "tsc --pretty --noEmit",