Accept uppercase format in upgrade focus

Signed-off-by: Siiri Kemppainen <[email protected]>

Author: sirpaleet

hack/ci-e2e.sh

@@ -33,7 +33,7 @@ echo "BMO_E2E_EMULATOR=${BMO_E2E_EMULATOR}"
 export E2E_CONF_FILE="${REPO_ROOT}/test/e2e/config/ironic.yaml"
 export E2E_BMCS_CONF_FILE="${REPO_ROOT}/test/e2e/config/bmcs-${BMC_PROTOCOL}.yaml"
 
-case "${GINKGO_FOCUS:-}" in
+ case "${GINKGO_FOCUS,,}" in
   *upgrade*)
     export DEPLOY_IRONIC="false"
     export DEPLOY_BMO="false"