[2018/06/26 17:50:23.158]   1) Change stream integration try_next one error on getMore error on first getMore behaves like returns a change document returns a change document
 [2018/06/26 17:50:23.158]      Failure/Error: expect(change).to be_a(BSON::Document)
 [2018/06/26 17:50:23.158]        expected nil to be a kind of BSON::Document
 [2018/06/26 17:50:23.158]      Shared Example Group: "returns a change document" called from ./spec/integration/change_stream_spec.rb:225
 [2018/06/26 17:50:23.158]      # ./spec/integration/change_stream_spec.rb:192:in `block (4 levels) in <top (required)>'
 [2018/06/26 17:50:23.158]      # ./spec/support/constraints.rb:52:in `block (2 levels) in max_example_run_time'
 [2018/06/26 17:50:23.158]      # /root/.rvm/gems/ruby-2.3.4/gems/timeout-interrupt-0.3.0/lib/timeout_interrupt.rb:122:in `timeout'
 [2018/06/26 17:50:23.158]      # /root/.rvm/gems/ruby-2.3.4/gems/timeout-interrupt-0.3.0/lib/timeout_interrupt.rb:174:in `timeout'
 [2018/06/26 17:50:23.158]      # ./spec/support/constraints.rb:51:in `block in max_example_run_time'
 [2018/06/26 17:50:23.158]      # /root/.rvm/gems/ruby-2.3.4/gems/rspec-retry-0.6.1/lib/rspec/retry.rb:123:in `block in run'
 [2018/06/26 17:50:23.158]      # /root/.rvm/gems/ruby-2.3.4/gems/rspec-retry-0.6.1/lib/rspec/retry.rb:110:in `loop'
 [2018/06/26 17:50:23.158]      # /root/.rvm/gems/ruby-2.3.4/gems/rspec-retry-0.6.1/lib/rspec/retry.rb:110:in `run'
 [2018/06/26 17:50:23.158]      # /root/.rvm/gems/ruby-2.3.4/gems/rspec-retry-0.6.1/lib/rspec_ext/rspec_ext.rb:12:in `run_with_retry'
 [2018/06/26 17:50:23.158]      # /root/.rvm/gems/ruby-2.3.4/gems/rspec-retry-0.6.1/lib/rspec/retry.rb:37:in `block (2 levels) in setup'