Update test command in package.json for improved execution

- Modified the test command in package.json to specify the 'tests' directory, enhancing clarity and ensuring compatibility with the current test structure.

This change improves the testing setup by clearly defining the test location.

Author: AbanoubGhadban

packages/react-on-rails/package.json

@@ -8,7 +8,7 @@
     "build": "yarn run clean && yarn run tsc --declaration",
     "build-watch": "yarn run clean && yarn run tsc --watch",
     "clean": "rm -rf ./lib",
-    "test": "jest",
+    "test": "jest tests",
     "type-check": "yarn run tsc --noEmit --noErrorTruncation",
     "prepack": "nps build.prepack",
     "prepare": "nps build.prepack",