Set iOS version

Author: jberkel

run-tests.sh

@@ -2,7 +2,7 @@
 set -ev
 if [ -n "$BUILD_SCHEME" ]; then
     if [ -n "$IOS_SIMULATOR" ]; then
-        make test BUILD_SCHEME="$BUILD_SCHEME" IOS_SIMULATOR="$IOS_SIMULATOR"
+        make test BUILD_SCHEME="$BUILD_SCHEME" IOS_SIMULATOR="$IOS_SIMULATOR" IOS_VERSION="$IOS_VERSION"
     else
         make test BUILD_SCHEME="$BUILD_SCHEME"
     fi