Add mocha-multi-reporters for better CI test output

- Install mocha-multi-reporters package
- Configure test:ci to output both spec (console) and xunit (XML) formats
- Pipeline will now show detailed test progress in logs while still generating test-results.xml for Azure DevOps
- All 181 tests passing

Author: tarunramsinghani

.mocha-multi-reporters.json

@@ -0,0 +1,6 @@
+{
+  "reporterEnabled": "spec, xunit",
+  "xunitReporterOptions": {
+    "output": "test-results.xml"
+  }
+}

package-lock.json

@@ -21,7 +21,7 @@
     "build:tests": "tsc -p tsconfig.tests.json",
     "postbuild:tests": "ncp tests/build-samples _tests/build-samples && ncp tests/extension-samples _tests/extension-samples",
     "test": "npm run build:tests && mocha \"_tests/tests/**/*.js\"",
-    "test:ci": "npm run build:tests && mocha \"_tests/tests/**/*.js\" --reporter xunit --reporter-options output=test-results.xml",
+    "test:ci": "npm run build:tests && mocha \"_tests/tests/**/*.js\" --reporter mocha-multi-reporters --reporter-options configFile=.mocha-multi-reporters.json",
     "test:commandline": "npm run build:tests && mocha \"_tests/tests/commandline.js\"",
     "test:server-integration": "npm run build:tests && mocha \"_tests/tests/server-integration-*.js\"",
     "test:focused-login": "npm run build:tests && mocha \"_tests/tests/focused-login-test.js\"",
@@ -74,6 +74,7 @@
     "@types/xml2js": "0.0.27",
     "adm-zip": "^0.5.16",
     "mocha": "^10.2.0",
+    "mocha-multi-reporters": "^1.5.1",
     "ncp": "^2.0.0",
     "rimraf": "^2.6.1",
     "typescript": "^4.9.5"