try fix flaky test by mock capture utils

alerting/src/aa-storm-alert/alert.test.ts

@@ -1,4 +1,7 @@
 jest.mock('node-fetch');
+jest.mock('../utils/capture-utils', () => ({
+  captureScreenshotFromUrl: jest.fn(),
+}));
 import nodeFetch from 'node-fetch';
 import {
   buildEmailPayloads,
@@ -9,6 +12,7 @@ import { buildDetailedReport, buildLandfallInfo } from './test-utils';
 import { WindState } from 'prism-common';
 import moment from 'moment';
 import { LastStates } from '../types/aa-storm-email';
+import { captureScreenshotFromUrl } from '../utils/capture-utils';
 
 describe('alert mechanism', () => {
   describe('getLatestAvailableReports()', () => {
@@ -206,6 +210,7 @@ describe('alert mechanism', () => {
     ];
     it.each(tests)('$description', async ({ data, shortReports }) => {
       mockedFetch.mockResolvedValue({ json: () => data });
+      (captureScreenshotFromUrl as jest.Mock).mockResolvedValue("");
 
       const emailPayloads = await buildEmailPayloads(
         shortReports,

alerting/src/aa-storm-alert/alert.ts

@@ -14,15 +14,15 @@ import { formatDateToUTC } from '../utils/date';
 // @ts-ignore
 global.fetch = nodeFetch;
 
-function fetchAllReports(): Promise<ShortReportsResponseBody | null> {
-  return fetch(
-    'https://data.earthobservation.vam.wfp.org/public-share/aa/ts/outputs/dates.json',
-  )
-    .then((data) => data.json())
-    .catch(() => {
-      console.error('Error fetching all reports');
-      return null;
-    });
+async function fetchAllReports(): Promise<ShortReportsResponseBody | null> {
+  try {
+    const data = await fetch(
+      'https://data.earthobservation.vam.wfp.org/public-share/aa/ts/outputs/dates.json');
+    return await data.json();
+  } catch {
+    console.error('Error fetching all reports');
+    return null;
+  }
 }
 
 // fetch and extract the more recent short report for each reported storm