test: restore and fix unit tests

tests/unit/views/base/ProgressBars.spec.js

@@ -0,0 +1,40 @@
+import Vue from 'vue'
+import { mount, shallowMount } from '@vue/test-utils';
+import CoreuiVue from '@coreui/vue'
+import ProgressBars from '@/views/base/ProgressBars'
+
+Vue.use(CoreuiVue)
+
+jest.useFakeTimers()
+
+describe('ProgressBars.vue', () => {
+  it('has a name', () => {
+    expect(ProgressBars.name).toMatch('progress-bars')
+  })
+  it('has a created hook', () => {
+    expect(typeof ProgressBars.data).toMatch('function')
+  })
+  it('sets the correct default data', () => {
+    expect(typeof ProgressBars.data).toMatch('function')
+  })
+  it('is Vue instance', () => {
+    const wrapper = mount(ProgressBars)
+    expect(wrapper.isVueInstance()).toBe(true)
+  })
+  it('is ProgressBars', () => {
+    const wrapper = mount(ProgressBars)
+    expect(wrapper.is(ProgressBars)).toBe(true)
+  })
+  test('renders correctly', () => {
+    const wrapper = shallowMount(ProgressBars)
+    expect(wrapper.element).toMatchSnapshot()
+  })
+  it('should be destroyed', () => {
+    const wrapper = mount(ProgressBars)
+    wrapper.destroy()
+  })
+  it('should have methods', () => {
+    expect(typeof ProgressBars.methods.clicked  ).toEqual('function')
+    expect(ProgressBars.methods.clicked()).toBeUndefined()
+  })
+})