GitHub Autocomment: add a note if no tests were run (#4109)

- Always (if not cancelled) add a comment to a PR
- Mention in the comment if no tests were run / reports were not
generated.

.github/workflows/build_and_test.yml

@@ -418,10 +418,7 @@ jobs:
       - uses: actions/github-script@v6
         if: >
           !cancelled() &&
-          github.event_name == 'pull_request' && (
-            steps.create-allure-report-debug.outputs.report-url ||
-            steps.create-allure-report-release.outputs.report-url
-          )
+          github.event_name == 'pull_request'
         with:
           # Retry script for 5XX server errors: https://github.com/actions/github-script#retries
           retries: 5

scripts/pr-comment-test-report.js

@@ -37,7 +37,7 @@ module.exports = async ({ github, context, fetch, reports }) => {
         const {buildType, reportUrl, jsonUrl} = report
 
         if (!reportUrl || !jsonUrl) {
-            console.warn(`"reportUrl" or "jsonUrl" aren't set for ${buildType} build`)
+            commentBody += `#### ${buildType} build: no tests were run or test report is not available\n`
             continue
         }
 
@@ -78,7 +78,7 @@ module.exports = async ({ github, context, fetch, reports }) => {
         }
 
         const totalTestsCount = failedTests.length + passedTests.length + skippedTests.length
-        commentBody += `#### ${buildType} build: ${totalTestsCount} tests run: ${passedTests.length} passed, ${failedTests.length} failed, ${skippedTests.length} ([full report](${reportUrl}))\n`
+        commentBody += `#### ${buildType} build: ${totalTestsCount} tests run: ${passedTests.length} passed, ${failedTests.length} failed, ${skippedTests.length} skipped ([full report](${reportUrl}))\n`
         if (failedTests.length > 0) {
             commentBody += `Failed tests:\n`
             for (const test of failedTests) {