feat: auto-derive skip tags from JOB_NAME in run-e2e.sh (#2281)

* feat: auto-derive skip tags from JOB_NAME in run-e2e.sh

Derive Playwright skip tags from OpenShift CI JOB_NAME and inject
--grep-invert so tests can opt out of specific CI jobs using standard
Playwright tags (e.g., { tag: "@skip-ocp-helm-nightly" }).

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* fix: use negative lookahead for exact skip tag matching

Append (?!-) to the grep-invert pattern so @skip-ocp-helm only matches
that exact tag, not @skip-ocp-helm-nightly. This lets tests skip in
PR check without accidentally skipping in nightly, and vice versa.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* chore: clarify skip tag comment in run-e2e.sh

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* chore: shorten skip tag comment

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

---------

Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>

Author: subhashkhileri

run-e2e.sh

@@ -79,6 +79,17 @@ while [[ $# -gt 0 ]]; do
     esac
 done
 
+# Auto-skip tests tagged @skip-<job-suffix> based on JOB_NAME.
+# (?!-) ensures exact match — @skip-ocp-helm won't match @skip-ocp-helm-nightly.
+if [[ -n "$JOB_NAME" ]]; then
+    JOB_SUFFIX=$(echo "$JOB_NAME" | sed -n 's/.*-e2e-//p')
+    if [[ -n "$JOB_SUFFIX" ]]; then
+        E2E_SKIP_TAG="@skip-${JOB_SUFFIX}(?!-)"
+        PLAYWRIGHT_ARGS=("--grep-invert" "$E2E_SKIP_TAG" "${PLAYWRIGHT_ARGS[@]}")
+        echo "[INFO] Skip tag: $E2E_SKIP_TAG (derived from JOB_NAME)"
+    fi
+fi
+
 GENERATED_FILES=()
 
 # ── Prerequisites ─────────────────────────────────────────────────────────────