fix broken test cases

Author: clayreimann

package-lock.json

@@ -44,7 +44,7 @@
   "dependencies": {
     "debug": "^4.3.4",
     "md5": "^2.3.0",
-    "mkdirp": "~1.2.6",
+    "mkdirp": "^3.0.0",
     "strip-ansi": "^6.0.1",
     "xml": "^1.0.1"
   },

package.json

@@ -321,7 +321,7 @@ describe('mocha-junit-reporter', function() {
         reporter.runner,
         dir +
           "results." +
-          reporter._testsuites[0].testsuite[0]._attr.file +
+          (reporter._testsuites[0]?.testsuite[0]?._attr?.file ?? 'suiteFileName') +
           ".xml"
       );
       done();
@@ -337,7 +337,7 @@ describe('mocha-junit-reporter', function() {
         reporter.runner,
         dir +
           "results." +
-          reporter._testsuites[1].testsuite[0]._attr.name +
+          (reporter._testsuites[1]?.testsuite[0]?._attr?.name ?? 'suiteName') +
           ".xml"
       );
       done();