Handle undefined DiagnosticRecord (#27)

* Handle optional chaining for DiagnosticRecord

* fix

* update version

Author: mw-kapilg

package-lock.json

@@ -1,7 +1,7 @@
 {
     "name": "common-utils",
     "author": "The MathWorks, Inc.",
-    "version": "2.2.1",
+    "version": "2.2.0",
     "description": "",
     "type": "module",
     "main": "lib/index.js",

package.json

@@ -337,7 +337,7 @@ function processTestCase(
         Name: testCaseName,
         Duration: Number(testResult.Duration.toFixed(2)),
         Status: determineTestStatus(testResult),
-        Diagnostics: processDiagnostics(testResult.Details.DiagnosticRecord),
+        Diagnostics: processDiagnostics(testResult.Details?.DiagnosticRecord),
     };
 
     testFile.TestCases.push(testCase);