Tests: Add check for welcome message #1229

Namespace: <a href="https://konflux-ui.apps.stone-prd-rh01.pg1f.p1.openshiftapps.com/ns/crt-nshift-lightspeed-tenant" rel="nofollow">crt-nshift-lightspeed-tenant
PipelineRun: <a href="https://konflux-ui.apps.stone-prd-rh01.pg1f.p1.openshiftapps.com/ns/crt-nshift-lightspeed-tenant/pipelinerun/lightspeed-console-on-pull-request-7fnwz" rel="nofollow">lightspeed-console-on-pull-request-7fnwz

Success

Red Hat Konflux/lightspeed-console-on-pull-request has successfully validated your commit.

Status	Duration	Name
🟢 Succeeded	5 seconds	init
🟢 Succeeded	10 seconds	clone-repository
🟢 Succeeded	34 seconds	prefetch-dependencies
🟢 Succeeded	5 minutes	build-images
🟢 Succeeded	2 minutes	build-images
🟢 Succeeded	34 seconds	build-image-index
🟢 Succeeded	19 seconds	sast-shell-check
🟢 Succeeded	1 minute	build-source-image
🟢 Succeeded	1 minute	ecosystem-cert-preflight-checks
🟢 Succeeded	14 seconds	sast-unicode-check
🟢 Succeeded	1 minute	clair-scan
🟢 Succeeded	8 seconds	apply-tags
🟢 Succeeded	50 seconds	clamav-scan
🟢 Succeeded	9 seconds	rpms-signature-scan
🟢 Succeeded	1 minute	clair-scan
🟢 Succeeded	13 seconds	deprecated-base-image-check
🟢 Succeeded	21 seconds	sast-snyk-check
🟢 Succeeded	8 seconds	push-dockerfile
🟢 Succeeded	6 seconds	show-sbom