fixed frontend tests

.woodpecker/frontend.yml

@@ -25,7 +25,8 @@ steps:
   - name: version
     image: alpine:latest
     commands:
-      - set -euo pipefail 2>/dev/null || set -eu
+      - set -eu
+      - if set -o | grep -q pipefail 2>/dev/null; then set -o pipefail; fi
       - apk add --no-cache git
       - GIT_REV="$(git rev-parse --short HEAD)"
       - BUILD_BRANCH="$(git rev-parse --abbrev-ref HEAD)"
@@ -58,7 +59,7 @@ steps:
     depends_on: [ version ]
     commands:
       - set -eu
-      - set -o pipefail 2>/dev/null || true
+      - if set -o | grep -q pipefail 2>/dev/null; then set -o pipefail; fi
       - flutter --version
       - (cd frontend/pshared && flutter pub get && flutter test)
       - (cd frontend/pweb && flutter pub get && flutter test)