SERVER-31785 Use 2 shards in sharded jscore passthrough.

1 files changed, 4 insertions, 2 deletions

diff --git a/jstests/core/where4.js b/jstests/core/where4.js
index df2f01a498e..974748f8dbc 100644
--- a/jstests/core/where4.js
+++ b/jstests/core/where4.js
@@ -1,4 +1,6 @@
-// @tags: [requires_non_retryable_writes]
+// This test expects a function stored in the system.js collection to be available for a map/reduce,
+// which may not be the case if it is implicitly sharded in a passthrough.
+// @tags: [requires_non_retryable_writes, assumes_unsharded_collection]
 
 var myDB = db.getSiblingDB("where4");
 
@@ -31,4 +33,4 @@ assert.writeOK(
     myDB.where4.update({$where: "where4_addOne(this.x) == 2"}, {$inc: {y: 1}}, false, true));
 
 assert.eq(3, myDB.where4.findOne({x: 1}).y);
-assert.eq(1, myDB.where4.findOne({x: 2}).y);
\ No newline at end of file
+assert.eq(1, myDB.where4.findOne({x: 2}).y);