fix(ci): assert pinned greenfield expected red

tools/e2e-install-test.sh

@@ -146,7 +146,7 @@ printf '[fixture] installer_exit=%d done_claims=%s\n' \
 # P0 Resolve context
 shell="$(getent passwd "$(id -u)" | cut -d: -f7)"
 if [[ "$(id -u)" -ne 0 && "$home" == "/home/mosaic" && "$shell" == "/bin/bash" ]] \
-  && ldd --version 2>&1 | grep -qi 'glibc\|gnu libc' \
+  && ldd --version 2>&1 | grep -i 'glibc\|gnu libc' >/dev/null \
   && [[ "$(node -p 'Number(process.versions.node.split(".")[0])')" -ge 20 ]]; then
   phase_pass P0 "target=mosaic uid=$(id -u) HOME=$home shell=$shell libc=glibc node=$(node --version)"
 else