added missing karma-htmlfile-reporter

frontend/package-lock.json

@@ -9524,6 +9524,23 @@
         "minimatch": "^3.0.4"
       }
     },
+    "karma-htmlfile-reporter": {
+      "version": "0.3.8",
+      "resolved": "https://registry.npmjs.org/karma-htmlfile-reporter/-/karma-htmlfile-reporter-0.3.8.tgz",
+      "integrity": "sha512-Hd4c/vqPXYjdNYXeDJRMMq2DMMxPxqOR+TPeiLz2qbqO0qCCQMeXwFGhNDFr+GsvYhcOyn7maTbWusUFchS/4A==",
+      "dev": true,
+      "requires": {
+        "xmlbuilder": "^10.0.0"
+      },
+      "dependencies": {
+        "xmlbuilder": {
+          "version": "10.1.1",
+          "resolved": "https://registry.npmjs.org/xmlbuilder/-/xmlbuilder-10.1.1.tgz",
+          "integrity": "sha512-OyzrcFLL/nb6fMGHbiRDuPup9ljBycsdCypwuyg5AAHvyWzGfChJpCXMG88AGTIMFhGZ9RccFN1e6lhg3hkwKg==",
+          "dev": true
+        }
+      }
+    },
     "karma-jasmine": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/karma-jasmine/-/karma-jasmine-2.0.1.tgz",

frontend/package.json

@@ -58,6 +58,7 @@
     "karma": "~4.4.1",
     "karma-chrome-launcher": "~3.1.0",
     "karma-coverage-istanbul-reporter": "~2.1.1",
+    "karma-htmlfile-reporter": "0.3.8",
     "karma-jasmine": "~2.0.1",
     "karma-jasmine-html-reporter": "^1.5.4",
     "ngx-material-file-input": "^2.1.1",