chore(tests): migrate to jest for tests

angular.json

@@ -21,24 +21,14 @@
             }
           }
         },
-        "test": {
-          "builder": "@angular-devkit/build-angular:karma",
-          "options": {
-            "main": "projects/ngx-device-detector/src/test.ts",
-            "tsConfig": "projects/ngx-device-detector/tsconfig.spec.json",
-            "karmaConfig": "projects/ngx-device-detector/karma.conf.js"
-          }
-        },
         "lint": {
           "builder": "@angular-devkit/build-angular:tslint",
           "options": {
             "tsConfig": [
               "projects/ngx-device-detector/tsconfig.lib.json",
               "projects/ngx-device-detector/tsconfig.spec.json"
             ],
-            "exclude": [
-              "**/node_modules/**"
-            ]
+            "exclude": ["**/node_modules/**"]
           }
         }
       }
@@ -63,13 +53,8 @@
             "polyfills": "projects/demo/src/polyfills.ts",
             "tsConfig": "projects/demo/tsconfig.app.json",
             "aot": true,
-            "assets": [
-              "projects/demo/src/favicon.ico",
-              "projects/demo/src/assets"
-            ],
-            "styles": [
-              "projects/demo/src/styles.scss"
-            ],
+            "assets": ["projects/demo/src/favicon.ico", "projects/demo/src/assets"],
+            "styles": ["projects/demo/src/styles.scss"],
             "scripts": []
           },
           "configurations": {
@@ -119,23 +104,6 @@
             "browserTarget": "demo:build"
           }
         },
-        "test": {
-          "builder": "@angular-devkit/build-angular:karma",
-          "options": {
-            "main": "projects/demo/src/test.ts",
-            "polyfills": "projects/demo/src/polyfills.ts",
-            "tsConfig": "projects/demo/tsconfig.spec.json",
-            "karmaConfig": "projects/demo/karma.conf.js",
-            "assets": [
-              "projects/demo/src/favicon.ico",
-              "projects/demo/src/assets"
-            ],
-            "styles": [
-              "projects/demo/src/styles.scss"
-            ],
-            "scripts": []
-          }
-        },
         "lint": {
           "builder": "@angular-devkit/build-angular:tslint",
           "options": {
@@ -145,9 +113,7 @@
               "projects/demo/e2e/tsconfig.json",
               "projects/demo/tsconfig.server.json"
             ],
-            "exclude": [
-              "**/node_modules/**"
-            ]
+            "exclude": ["**/node_modules/**"]
           }
         },
         "e2e": {
@@ -201,9 +167,7 @@
           "options": {
             "browserTarget": "demo:build:production",
             "serverTarget": "demo:server:production",
-            "routes": [
-              "/"
-            ]
+            "routes": ["/"]
           },
           "configurations": {
             "production": {}
@@ -216,4 +180,4 @@
   "cli": {
     "analytics": "16a03793-8b3c-4c78-a787-e82f61ef71be"
   }
-}
+}