CI job: build, test and self-evaluate test results

package.json

@@ -10,7 +10,7 @@
     "format-check": "prettier --check **/*.ts",
     "lint": "eslint src/**/*.ts",
     "package": "ncc build --source-map --license licenses.txt",
-    "test": "jest",
+    "test": "jest --ci --reporters=default --reporters=jest-junit",
     "all": "npm run build && npm run format && npm run lint && npm run package && npm test",
     "dart-fixture": "cd \"reports/dart\" && dart test --file-reporter=\"json:../../__tests__/fixtures/dart-json.json\"",
     "dotnet-fixture": "dotnet test reports/dotnet/DotnetTests.XUnitTests --logger \"trx;LogFileName=../../../../__tests__/fixtures/dotnet-trx.trx\"",
@@ -49,9 +49,20 @@
     "eslint-plugin-jest": "^24.0.2",
     "jest": "^24.9.0",
     "jest-circus": "^26.6.1",
+    "jest-junit": "^12.0.0",
     "js-yaml": "^3.14.0",
     "prettier": "2.1.2",
     "ts-jest": "^24.3.0",
     "typescript": "^4.0.3"
+  },
+  "jest-junit": {
+    "suiteName": "jest tests",
+    "outputDirectory": "__tests__/__results__",
+    "outputName": "jest-junit.xml",
+    "ancestorSeparator": " › ",
+    "uniqueOutputName": "false",
+    "suiteNameTemplate": "{filepath}",
+    "classNameTemplate": "{classname}",
+    "titleTemplate": "{title}"
   }
 }