Fix test ci reporter (facebook#22749)

Summary:
Hi Team!
This PR fixes facebook#22741
Thanks for labeling as Good First Issue!

Changelog:
----------

[General] [Fixed] - fix deprecation warning of testResultsProcessor flag in test-ci
Pull Request resolved: facebook#22749

Differential Revision: D13542419

Pulled By: hramos

fbshipit-source-id: 84f33329a6b9431ed1db843a99e7db7dbeda5361

Author: sasurau4

package.json

@@ -98,6 +98,10 @@
       "<rootDir>/Libraries/react-native/"
     ]
   },
+  "jest-junit": {
+    "outputDirectory": "reports/junit",
+    "outputName": "js-test-results.xml"
+  },
   "main": "Libraries/react-native/react-native-implementation.js",
   "files": [
     ".flowconfig",
@@ -129,7 +133,7 @@
   "scripts": {
     "start": "node cli.js start",
     "test": "jest",
-    "test-ci": "JEST_JUNIT_OUTPUT=\"reports/junit/js-test-results.xml\" jest --maxWorkers=2 --ci --testResultsProcessor=\"jest-junit\"",
+    "test-ci": "jest --maxWorkers=2 --ci --reporters=\"default\" --reporters=\"jest-junit\"",
     "flow": "flow",
     "flow-check-ios": "flow check",
     "flow-check-android": "flow check --flowconfig-name .flowconfig.android",