Update mongodb-setup.sh

tests/unit/data/travis/mongodb-setup.sh

@@ -2,14 +2,18 @@
 #
 # install mongodb
 
-mongod --version
-
 if (php --version | grep -i HipHop > /dev/null); then
   echo "mongodb does not work on HHVM currently, skipping"
 else
   echo "extension = mongo.so" >> ~/.phpenv/versions/$(phpenv version-name)/etc/php.ini
 fi
 
+# show mongodb version
+mongod --version
+
+# show mongo PHP extension version
+php -i |grep mongo -4 |grep -2 Version
+
 # enable text search
 mongo --eval 'db.adminCommand( { setParameter: true, textSearchEnabled : true})'