Fix apitest_dbcollection.js when running in sharded passthrough

(cherry picked from commit 09569759b200b342bd99d08f262fe10ee0644427)

1 files changed, 1 insertions, 1 deletions

diff --git a/jstests/core/apitest_dbcollection.js b/jstests/core/apitest_dbcollection.js
index 6d405e8c716..765c4e186b0 100644
--- a/jstests/core/apitest_dbcollection.js
+++ b/jstests/core/apitest_dbcollection.js
@@ -249,7 +249,7 @@ assert(db.getCollection( "test_db" ).getIndexes().length == 0,24);
     assert.neq(undefined, t.totalIndexSize(),
                'db.collection.totalIndexSize() cannot be undefined on a non-empty collection');
 
-    if (db.serverStatus().storageEngine.name === 'mmapv1') {
+    if (db.isMaster().msg !== 'isdbgrid' && db.serverStatus().storageEngine.name === 'mmapv1') {
         // Only in MMAPv1 do we guarantee that storageSize only changes when you write to a
         // collection.
         assert.eq(stats.storageSize, t.storageSize());