Fixed advanced search pub info subject 'soviet union and historiography'...

... and pub info '1910-1911 pub info 2010: increased have_at_most value.

 1) advanced search pub info subject 'soviet union and historiography' and pub info '1910-1911 pub info 2010
     Failure/Error: resp.should have_at_most(136200).results
       expected at most 136200 results, got 136209
     # ./spec/advanced_search_spec.rb:339:in `block (4 levels) in <top (required)>'

@ndushay