Add simple tests to check frontend email user rights #no-deploy

cypress/e2e/asAdmin.cy.js

@@ -33,6 +33,5 @@ describe('Open each page, table view and detail view, and check at least some co
     cy.get('[data-cy="detailview-button-langhian"]').first().click()
     cy.contains('Sequence')
     cy.contains('gcss')
-
   })
 })

cypress/e2e/userRights.cy.js

@@ -35,6 +35,11 @@ describe('Broadly test what different user rights see', () => {
       cy.contains('Bound')
       cy.contains('1.778')
     })
+    it('Email page opens', () => {
+      cy.get('div[id="/admin-menu-button"]').click()
+      cy.contains('Email').click()
+      cy.contains('Send email')
+    })
   })
   describe('Test unlogged visibility', () => {
     beforeEach('Ensure logout', () => {
@@ -53,5 +58,8 @@ describe('Broadly test what different user rights see', () => {
       cy.pageForbidden('/time-bound')
       cy.pageForbidden('/project')
     })
+    it('Does not see email page', () => {
+      cy.pageForbidden('/email')
+    })
   })
 })

frontend/src/components/EmailPage.tsx

@@ -10,7 +10,7 @@ export const EmailPage = () => {
   const [message, setMessage] = useState('')
   const [recipients, setRecipients] = useState<string>('')
   const [sendEmailMutation, { isSuccess, isLoading, isError }] = useEmailMutation()
-  if (user.role !== Role.Admin) return <Box>This page is visible only to admins</Box>
+  if (user.role !== Role.Admin) return <Box>Your user is not authorized to view this page.</Box>
 
   const parseRecipients = () => {
     return recipients.replace(' ', '').replace('\n', ',').replace(',', '\n').split(';')