CCM-11474: coverage

Author: harrim91

frontend/src/__tests__/app/upload-letter-template/__snapshots__/page.test.tsx.snap

@@ -1,6 +1,25 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`UploadLetterTemplatePage should render UploadLetterTemplatePage with campaignIds field when available 1`] = `
+exports[`UploadLetterTemplatePage should render UploadLetterTemplatePage when one campaignId is available 1`] = `
+<LetterTemplateForm
+  campaignIds={
+    [
+      "campaign-id",
+    ]
+  }
+  initialState={
+    {
+      "campaignId": "campaign-id",
+      "language": "en",
+      "letterType": "x0",
+      "name": "",
+      "templateType": "LETTER",
+    }
+  }
+/>
+`;
+
+exports[`UploadLetterTemplatePage should render UploadLetterTemplatePage with multiple campaignIds available 1`] = `
 <LetterTemplateForm
   campaignIds={
     [

frontend/src/__tests__/app/upload-letter-template/page.test.tsx

@@ -20,9 +20,9 @@ describe('UploadLetterTemplatePage', () => {
     jest.resetAllMocks();
   });
 
-  it('should render UploadLetterTemplatePage with campaignIds field when available', async () => {
+  it('should render UploadLetterTemplatePage when one campaignId is available', async () => {
     mockFetchClient.mockResolvedValueOnce({
-      campaignIds: ['campaign-id', 'other-campaign-id'],
+      campaignIds: ['campaign-id'],
       features: {},
     });
 
@@ -32,6 +32,17 @@ describe('UploadLetterTemplatePage', () => {
     expect(page).toMatchSnapshot();
   });
 
+  it('should render UploadLetterTemplatePage with multiple campaignIds available', async () => {
+    mockFetchClient.mockResolvedValueOnce({
+      campaignIds: ['campaign-id', 'other-campaign-id'],
+      features: {},
+    });
+
+    const page = await UploadLetterTemplatePage();
+
+    expect(page).toMatchSnapshot();
+  });
+
   it('should redirect to error page when client configuration is not present', async () => {
     const mockRedirect = jest.mocked(redirect);