diff --git a/frontend/src/validation-rules.js b/frontend/src/validation-rules.js
index 284bec1fa..da4e07b78 100644
--- a/frontend/src/validation-rules.js
+++ b/frontend/src/validation-rules.js
@@ -59,7 +59,7 @@ export const loadAllRules = (i18nCallback) => {
           },
         })
         .then((result) => {
-          return result.data.state === 'success'
+          return result.data.checkUsername.state === 'success'
         })
         .catch(() => {
           return false
diff --git a/frontend/src/views/Pages/UserProfile/UserCard_FormUserData.spec.js b/frontend/src/views/Pages/UserProfile/UserCard_FormUserData.spec.js
index e9c837ef2..1e15d16c5 100644
--- a/frontend/src/views/Pages/UserProfile/UserCard_FormUserData.spec.js
+++ b/frontend/src/views/Pages/UserProfile/UserCard_FormUserData.spec.js
@@ -10,7 +10,7 @@ const toastErrorMock = jest.fn()
 const toastSuccessMock = jest.fn()
 const storeCommitMock = jest.fn()
 
-describe('UserCard_FormUsername', () => {
+describe('UserCard_FormUserData', () => {
   let wrapper
 
   const mocks = {
diff --git a/frontend/src/views/Pages/UserProfile/UserCard_FormUserMail.spec.js b/frontend/src/views/Pages/UserProfile/UserCard_FormUserMail.spec.js
new file mode 100644
index 000000000..67ec012a9
--- /dev/null
+++ b/frontend/src/views/Pages/UserProfile/UserCard_FormUserMail.spec.js
@@ -0,0 +1,127 @@
+import { mount } from '@vue/test-utils'
+import flushPromises from 'flush-promises'
+import UserCardFormUserMail from './UserCard_FormUserMail'
+
+const localVue = global.localVue
+jest.spyOn(window, 'alert').mockImplementation(() => {})
+
+const mockAPIcall = jest.fn()
+
+describe('UserCard_FormUserMail', () => {
+  let wrapper
+
+  const mocks = {
+    $t: jest.fn((t) => t),
+    $store: {
+      state: {
+        sessionId: 1,
+        email: 'user@example.org',
+        firstName: 'Peter',
+        lastName: 'Lustig',
+        description: '',
+      },
+    },
+    $apollo: {
+      query: mockAPIcall,
+    },
+  }
+
+  const Wrapper = () => {
+    return mount(UserCardFormUserMail, { localVue, mocks })
+  }
+
+  describe('mount', () => {
+    beforeEach(() => {
+      wrapper = Wrapper()
+    })
+
+    it('renders the component', () => {
+      expect(wrapper.find('div#formusermail').exists()).toBeTruthy()
+    })
+
+    it('renders the edit link', () => {
+      expect(wrapper.find('a[href="#formusermail"]').exists()).toBeTruthy()
+    })
+
+    it('renders the E-Mail form.change', () => {
+      expect(wrapper.findAll('div.col').at(0).text()).toBe('E-Mail form.change')
+    })
+
+    it('renders the E-Mail', () => {
+      expect(wrapper.findAll('div.col').at(1).text()).toBe('E-Mail')
+    })
+
+    it('renders the E-Mail Adress', () => {
+      expect(wrapper.findAll('div.col').at(2).text()).toBe('user@example.org')
+    })
+
+    describe('edit user data', () => {
+      beforeEach(async () => {
+        await wrapper.find('a[href="#formusermail"]').trigger('click')
+        await flushPromises()
+        await wrapper.findAll('input').at(0).setValue('test@example.org')
+        await flushPromises()
+      })
+
+      it('enter email in input field', () => {
+        expect(wrapper.find('input').element.value).toBe('test@example.org')
+      })
+
+      describe('error API send', () => {
+        beforeEach(async () => {
+          mockAPIcall.mockRejectedValue({
+            message: 'Ouch!',
+          })
+          await wrapper.find('a[href="#formusermail"]').trigger('click')
+          await flushPromises()
+        })
+
+        it('send request with filled variables to the API', async () => {
+          expect(mockAPIcall).toHaveBeenCalledWith(
+            expect.objectContaining({
+              variables: {
+                sessionId: 1,
+                email: 'user@example.org',
+                newEmail: 'test@example.org',
+              },
+            }),
+          )
+        })
+
+        it('error message is send to the window.alert', async () => {
+          expect(window.alert).toBeCalledWith('Ouch!')
+        })
+      })
+
+      describe('successful API send', () => {
+        beforeEach(async () => {
+          mockAPIcall.mockResolvedValue({
+            data: {
+              updateUserInfos: {
+                validValues: 1,
+              },
+            },
+          })
+          await wrapper.find('a[href="#formusermail"]').trigger('click')
+          await flushPromises()
+        })
+
+        it('send request with filled variables to the API', async () => {
+          expect(mockAPIcall).toHaveBeenCalledWith(
+            expect.objectContaining({
+              variables: {
+                sessionId: 1,
+                email: 'user@example.org',
+                newEmail: 'test@example.org',
+              },
+            }),
+          )
+        })
+
+        it('successful message is send to the window.alert', async () => {
+          expect(window.alert).toBeCalledWith('changePassword success')
+        })
+      })
+    })
+  })
+})
diff --git a/frontend/src/views/Pages/UserProfile/UserCard_FormUserMail.vue b/frontend/src/views/Pages/UserProfile/UserCard_FormUserMail.vue
index c41ba367c..b5c4f30bb 100644
--- a/frontend/src/views/Pages/UserProfile/UserCard_FormUserMail.vue
+++ b/frontend/src/views/Pages/UserProfile/UserCard_FormUserMail.vue
@@ -32,7 +32,7 @@
   </b-card>
 </template>
 <script>
-import loginAPI from '../../../apis/loginAPI'
+import { updateUserInfos } from '../../../graphql/queries'
 
 export default {
   name: 'FormUserMail',
@@ -44,17 +44,21 @@ export default {
   },
   methods: {
     async onSubmit() {
-      // console.log(this.data)
-      const result = await loginAPI.changeEmailProfil(
-        this.$store.state.sessionId,
-        this.email,
-        this.newEmail,
-      )
-      if (result.success) {
-        alert('changePassword success')
-      } else {
-        alert(result.result.message)
-      }
+      this.$apollo
+        .query({
+          query: updateUserInfos,
+          variables: {
+            sessionId: this.$store.state.sessionId,
+            email: this.$store.state.email,
+            newEmail: this.newEmail,
+          },
+        })
+        .then(() => {
+          alert('changePassword success')
+        })
+        .catch((error) => {
+          alert(error.message)
+        })
     },
   },
 }
diff --git a/frontend/src/views/Pages/UserProfile/UserCard_FormUserPasswort.spec.js b/frontend/src/views/Pages/UserProfile/UserCard_FormUserPasswort.spec.js
index f723be96e..1da483286 100644
--- a/frontend/src/views/Pages/UserProfile/UserCard_FormUserPasswort.spec.js
+++ b/frontend/src/views/Pages/UserProfile/UserCard_FormUserPasswort.spec.js
@@ -10,7 +10,7 @@ changePasswordProfileMock.mockReturnValue({ success: true })
 const toastSuccessMock = jest.fn()
 const toastErrorMock = jest.fn()
 
-describe('UserCardFormUserPasswort', () => {
+describe('UserCard_FormUserPasswort', () => {
   let wrapper
 
   const mocks = {
diff --git a/frontend/src/views/Pages/UserProfile/UserCard_FormUsername.spec.js b/frontend/src/views/Pages/UserProfile/UserCard_FormUsername.spec.js
index 57fd9e529..b6ab05902 100644
--- a/frontend/src/views/Pages/UserProfile/UserCard_FormUsername.spec.js
+++ b/frontend/src/views/Pages/UserProfile/UserCard_FormUsername.spec.js
@@ -95,14 +95,18 @@ describe('UserCard_FormUsername', () => {
         describe('successfull submit', () => {
           beforeEach(async () => {
             mockAPIcall.mockResolvedValue({
-              message: 'error',
+              data: {
+                updateUserInfos: {
+                  validValues: 1,
+                },
+              },
             })
             await wrapper.find('input[placeholder="Username"]').setValue('username')
             await wrapper.find('form').trigger('submit')
             await flushPromises()
           })
 
-          it('calls the loginAPI', () => {
+          it('calls the API', () => {
             expect(mockAPIcall).toHaveBeenCalledWith(
               expect.objectContaining({
                 variables: {
@@ -135,14 +139,14 @@ describe('UserCard_FormUsername', () => {
           beforeEach(async () => {
             jest.clearAllMocks()
             mockAPIcall.mockRejectedValue({
-              message: 'Error',
+              message: 'Ouch!',
             })
             await wrapper.find('input[placeholder="Username"]').setValue('username')
             await wrapper.find('form').trigger('submit')
             await flushPromises()
           })
 
-          it('calls the loginAPI', () => {
+          it('calls the API', () => {
             expect(mockAPIcall).toHaveBeenCalledWith(
               expect.objectContaining({
                 variables: {
@@ -155,7 +159,7 @@ describe('UserCard_FormUsername', () => {
           })
 
           it('toasts an error message', () => {
-            expect(toastErrorMock).toBeCalledWith('Error')
+            expect(toastErrorMock).toBeCalledWith('Ouch!')
           })
 
           it('renders an empty username', () => {