CCM-12090: Fix unit tests

Author: chris-elliott-nhsd

frontend/src/__tests__/components/forms/LetterTemplateForm/__snapshots__/LetterTemplateForm.test.tsx.snap

@@ -142,7 +142,7 @@ exports[`Client-side validation triggers 1`] = `
                 <span
                   class="nhsuk-u-visually-hidden"
                 >
-                  Error:
+                  Error: 
                 </span>
                 Enter a template name
               </span>
@@ -415,7 +415,7 @@ exports[`Client-side validation triggers 1`] = `
                 <span
                   class="nhsuk-u-visually-hidden"
                 >
-                  Error:
+                  Error: 
                 </span>
                 Select a letter template PDF
               </span>
@@ -1069,7 +1069,7 @@ exports[`renders page one error 1`] = `
                 <span
                   class="nhsuk-u-visually-hidden"
                 >
-                  Error:
+                  Error: 
                 </span>
                 Template name error
               </span>
@@ -1775,7 +1775,7 @@ exports[`renders page with multiple campaign ids 1`] = `
                 <span
                   class="nhsuk-u-visually-hidden"
                 >
-                  Important:
+                  Important: 
                 </span>
                 Check your personalisation fields
               </span>
@@ -2053,7 +2053,7 @@ exports[`renders page with multiple errors 1`] = `
                 <span
                   class="nhsuk-u-visually-hidden"
                 >
-                  Error:
+                  Error: 
                 </span>
                 Template name error
               </span>
@@ -2327,7 +2327,7 @@ exports[`renders page with multiple errors 1`] = `
                 <span
                   class="nhsuk-u-visually-hidden"
                 >
-                  Error:
+                  Error: 
                 </span>
                 PDF error
               </span>
@@ -2373,7 +2373,7 @@ exports[`renders page with multiple errors 1`] = `
                 <span
                   class="nhsuk-u-visually-hidden"
                 >
-                  Error:
+                  Error: 
                 </span>
                 CSV error
               </span>
@@ -2757,7 +2757,7 @@ exports[`renders page with preloaded field values 1`] = `
                 <span
                   class="nhsuk-u-visually-hidden"
                 >
-                  Important:
+                  Important: 
                 </span>
                 Check your personalisation fields
               </span>
@@ -3212,7 +3212,7 @@ exports[`shows right-to-left language warning when language changes 1`] = `
                 <span
                   class="nhsuk-u-visually-hidden"
                 >
-                  Important:
+                  Important: 
                 </span>
                 Check your personalisation fields
               </span>