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How do I fix the following error on the page, the idea would be to be able to buy the 5 licenses, but we are making adjustments to a site and it does not pass the tests

Checking state and compatibility with other themes and plugins: Succeeded
Checking asynchronous tasks execution: Warning
Timeout expired. Please, try to run again this test and if it still remains failed after several times it means that Cron doesn’t work correctly.
The body must contain ‘M_TEST_1721247308_50249910354614257812’. But if all work this notice can be ignored.
HTTP POST 200 https://industriadealimentoszenu.com.co/index.php?seraph_accel_at=M_TEST&rt=1721247308_50249910354614257812
Server Address: 18.160.18.101
Request headers
User-Agent: WordPress/6.4.3; https://industriadealimentoszenu.com.co
Response headers

Response body
(function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({‘gtm.start’: new Date().getTime(),event:’gtm.js’});var f=d.getElementsByTagName(s)[0], j=d.createElement(s),dl=l!=’dataLayer’?’&l=’+l:”;j.async=true;j.src= ‘https://www.googletagmanager.com/gtm.js?id=’+i+dl;f.parentNode.insertBefore(j,f); })(window,document,’script’,’dataLayer’,’GTM-MHF5F9N’); Loading… Industria de alimentos Zenú <link rel="icon" type="image/png" href="https://industriadealimentoszenu.com.co/wp-content/themes/zenu/images/favicon.ico…
Checking maximum execution time and memory limit: Succeeded
Checking page optimization requests: Failed
The body must contain 'selfTest-17212473094944'.
HTTP GET 200 https://industriadealimentoszenu.com.co?seraph_accel_prep=eyJub25jZSI6ImYzNWQ4OGQ5YTUyMzUzMzUwNmVlOTNiNDI1Yzk1YmE2Iiwic2VsZlRlc3QiOiIxNzIxMjQ3MzA5NDk0NCIsIl90bSI6IjE3MjEyNDczMDkuNDk0NCJ9
Server Address: 18.160.18.101
Request headers
User-Agent: WordPress/6.4.3; https://industriadealimentoszenu.com.co
Response headers

Response body
(function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({‘gtm.start’: new Date().getTime(),event:’gtm.js’});var f=d.getElementsByTagName(s)[0], j=d.createElement(s),dl=l!=’dataLayer’?’&l=’+l:”;j.async=true;j.src= ‘https://www.googletagmanager.com/gtm.js?id=’+i+dl;f.parentNode.insertBefore(j,f); })(window,document,’script’,’dataLayer’,’GTM-MHF5F9N’); <div class="loader justify-content-cen…
Checking getting data from the vendor's server: Succeeded
Checking pages external caching: Succeeded