message: Don't run session example on Evergreen
  The client session example requires a replica set with a secondary.
diff: @@ -44,8 +44,8 @@ foreach(EXAMPLE ${MONGOCXX_EXAMPLE_EXECUTABLES})
  continue()
  endif()
  - # TODO CXX-1201, enable for servers that support change streams.
  - if (${EXAMPLE} STREQUAL "change_streams")
  + # TODO CXX-1201, enable some examples only for replica sets.
  + if (${EXAMPLE} MATCHES "change_streams|client_session")
  continue()
  endif()
  