spec/mongo/grid/stream/write_spec.rb in mongo-2.7.0 vs spec/mongo/grid/stream/write_spec.rb in mongo-2.7.1

@@ -94,10 +94,11 @@
           expect(stream.send(:file_info).document[:md5].size).to eq(32)
         end
       end
     end
 
-    context 'when the fs has a write concern', if: standalone? do
+    context 'when the fs has a write concern' do
+      require_topology :single
 
       let(:fs_options) do
         { write: INVALID_WRITE_CONCERN }
       end