moved spec files, adjusted Cypress config, added/refined some tests

cypress.json

@@ -1,5 +1,6 @@
 {
   "projectId": "projectInvoice",
   "video": false,
-  "ignoreTestFiles": ["pi.js","example_spec.js"]
+  "ignoreTestFiles": ["components/*.spec*.js","!*.spec*.js"],
+  "integrationFolder": "src"
 }

cypress/plugins/index.js

@@ -1,23 +1,47 @@
-// cypress/plugins/index.js
+// tests/e2e/plugins/index.js
+
+// webpack import
 const webpack = require('@cypress/webpack-preprocessor')
-const webpackOptions = {
-  module: {
-    rules: [
-      {
-        test: /\.vue$/,
-        loader: 'vue-loader'
-      }
-    ]
-  }
-}
 
-const options = {
-  // send in the options from your webpack.config.js, so it works the same
-  // as your app's code
-  webpackOptions,
-  watchOptions: {}
+module.exports = (on, config) => {
+  on(
+    'file:preprocessor',
+    webpack({
+      webpackOptions: require('@vue/cli-service/webpack.config'),
+      watchOptions: {}
+    })
+  )
+
+  return Object.assign({}, config, {
+    // fixturesFolder: 'tests/e2e/fixtures',
+    // integrationFolder: 'tests/e2e/specs',
+    // screenshotsFolder: 'tests/e2e/screenshots',
+    // videosFolder: 'tests/e2e/videos',
+    // supportFile: 'tests/e2e/support/index.js'
+  })
 }
 
-module.exports = on => {
-  on('file:preprocessor', webpack(options))
-}
+
+// // cypress/plugins/index.js
+// const webpack = require('@cypress/webpack-preprocessor')
+// const webpackOptions = {
+//   module: {
+//     rules: [
+//       {
+//         test: /\.vue$/,
+//         loader: 'vue-loader'
+//       }
+//     ]
+//   }
+// }
+//
+// const options = {
+//   // send in the options from your webpack.config.js, so it works the same
+//   // as your app's code
+//   webpackOptions,
+//   watchOptions: {}
+// }
+//
+// module.exports = on => {
+//   on('file:preprocessor', webpack(options))
+// }