Increased have_at_most values

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(137950).results
       expected at most 137950 results, got 137952
     # ./spec/advanced_search_spec.rb:340:in `block (4 levels) in <top (required)>'

  2) advanced search pub info subject 'soviet union and historiography' and pub info '1910-1911 pub info 2011
     Failure/Error: resp.should have_at_most(128050).results
       expected at most 128050 results, got 128073
     # ./spec/advanced_search_spec.rb:345:in `block (4 levels) in <top (required)>'

  3) advanced search facets format video, location green, language english before topics selected
     Failure/Error: resp.should have_at_most(35700).results
       expected at most 35700 results, got 35714
     # ./spec/advanced_search_spec.rb:403:in `block (4 levels) in <top (required)>'