test: update tests

tests/unit/views/pages/Login.spec.js

@@ -11,11 +11,11 @@ describe('Login.vue', () => {
   })
   it('is Vue instance', () => {
     const wrapper = shallowMount(Login)
-    expect(wrapper.isVueInstance()).toBe(true)
+    expect(wrapper.vm).toBeTruthy()
   })
   it('is Login', () => {
     const wrapper = shallowMount(Login)
-    expect(wrapper.is(Login)).toBe(true)
+    expect(wrapper.findComponent(Login)).toBeTruthy()
   })
   it('should render correct content', () => {
     const wrapper = shallowMount(Login)

tests/unit/views/pages/Page404.spec.js

@@ -11,11 +11,11 @@ describe('Page404.vue', () => {
   })
   it('is Vue instance', () => {
     const wrapper = shallowMount(Page404)
-    expect(wrapper.isVueInstance()).toBe(true)
+    expect(wrapper.vm).toBeTruthy()
   })
   it('is Page500', () => {
     const wrapper = shallowMount(Page404)
-    expect(wrapper.is(Page404)).toBe(true)
+    expect(wrapper.findComponent(Page404)).toBeTruthy()
   })
   it('should render correct content', () => {
     const wrapper = shallowMount(Page404)

tests/unit/views/pages/Page500.spec.js

@@ -11,11 +11,11 @@ describe('Page500.vue', () => {
   })
   it('is Vue instance', () => {
     const wrapper = shallowMount(Page500)
-    expect(wrapper.isVueInstance()).toBe(true)
+    expect(wrapper.vm).toBeTruthy()
   })
   it('is Page500', () => {
     const wrapper = shallowMount(Page500)
-    expect(wrapper.is(Page500)).toBe(true)
+    expect(wrapper.findComponent(Page500)).toBeTruthy()
   })
   it('should render correct content', () => {
     const wrapper = shallowMount(Page500)

tests/unit/views/pages/Register.spec.js

@@ -11,11 +11,11 @@ describe('Register.vue', () => {
   })
   it('is Vue instance', () => {
     const wrapper = shallowMount(Register)
-    expect(wrapper.isVueInstance()).toBe(true)
+    expect(wrapper.vm).toBeTruthy()
   })
   it('is Register', () => {
     const wrapper = shallowMount(Register)
-    expect(wrapper.is(Register)).toBe(true)
+    expect(wrapper.findComponent(Register)).toBeTruthy()
   })
   it('should render correct content', () => {
     const wrapper = shallowMount(Register)