SERVER-8849 read_pref.js failure in RHEL-64bit

Make sure primary node does not change during the entire test.

1 files changed, 1 insertions, 0 deletions

diff --git a/jstests/sharding/read_pref.js b/jstests/sharding/read_pref.js
index f6e6b5d73fe..e5d1febeed0 100755
--- a/jstests/sharding/read_pref.js
+++ b/jstests/sharding/read_pref.js
@@ -31,6 +31,7 @@ var doTest = function(useDollarQuerySyntax) {
             }
             else {
                 node.tags = SEC_TAGS[secIdx++];
+                node.priority = 0;
             }
         }