added global setup file

frontend/tests/unit/components/DataExport.spec.ts

+import '../../utils/setup'
 import Vuex from 'vuex'
 import { mount, createLocalVue } from '@vue/test-utils'
 import DataExport from '@/components/export/DataExport.vue'

frontend/tests/unit/components/InstanceExport.spec.ts

+import '../../utils/setup'
 import Vuex from 'vuex'
 import { mount, createLocalVue, createWrapper } from '@vue/test-utils'
 import InstanceExport from '@/components/export/InstanceExport.vue'

frontend/tests/unit/components/*Setup.spec.ts → frontend/tests/utils/setup.ts

@@ -2,5 +2,4 @@ import VueInstance from '@/main'
 
 before(function () {
   VueInstance.$mount()
-})
-
+})
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