Test: extend uwsgi timeout to facilitate testing

Change-Id: Icd19235e3be8855c2337a752d9e42fcfaada2a33

entrypoint.sh

@@ -2,11 +2,13 @@
 set -ex
 
 PORT=${PORT:-9000}
+UWSGI_TIMEOUT=${UWSGI_TIMEOUT:-300}
 
 if [ "$1" = 'server' ]; then
     exec uwsgi \
         --http :${PORT} \
-        -z 300 \
+        --http-timeout ${UWSGI_TIMEOUT} \
+        -z ${UWSGI_TIMEOUT} \
         --paste config:/etc/promenade/api-paste.ini \
         --enable-threads -L \
         --workers 4