Specify value of __RuntimeId for non-portable Linux test builds in build-test.sh...

diff --git a/build-test.sh b/build-test.sh
index 858085f..7542edb 100755 (executable)
--- a/build-test.sh
+++ b/build-test.sh
@@ -61,6 +61,7 @@ initTargetDistroRid()
         fi
     else
         export __DistroRid="$__HostDistroRid"
+        export __RuntimeId="$__HostDistroRid"
     fi
 
     if [ "$ID.$VERSION_ID" == "ubuntu.16.04" ]; then