SolrUtils: reliable regression test suite

* Makes test suite independent from PDF extraction process.
  (closes #1590)

* Simplifies test suite

Signed-off-by: Patrick Glauner <patrick.oliver.glauner@cern.ch>
1: D100 Docstring missing
2: I102 copyright year is outdated, expected 2014 but got 2013
21:31: E126 continuation line over-indented for hanging indent
30:42: E126 continuation line over-indented for hanging indent
54: D103 Docstring missing
67:15: E221 multiple spaces before operator
68:16: E221 multiple spaces before operator
69:14: E221 multiple spaces before operator
73: D203 Expected 1 blank line *before* class docstring, found 0
73: D204 Expected 1 blank line *after* class docstring, found 0
73: D400 First line should end with '.', not ':'
73: D205 Blank line missing between one-line summary and description
79: D102 Docstring missing
82: D102 Docstring missing
86: D401 First line should be imperative: 'solrutil', not 'solrutils'
86: D400 First line should end with '.', not 's'
93: D203 Expected 1 blank line *before* class docstring, found 0
93: D204 Expected 1 blank line *after* class docstring, found 0
93: D400 First line should end with '.', not ':'
93: D205 Blank line missing between one-line summary and description
99: D102 Docstring missing
104:41: E124 closing bracket does not match visual indentation
108: D102 Docstring missing
112: D401 First line should be imperative: 'solrutil', not 'solrutils'
112: D400 First line should end with '.', not 's'
119: D203 Expected 1 blank line *before* class docstring, found 0
119: D204 Expected 1 blank line *after* class docstring, found 0
119: D400 First line should end with '.', not ':'
119: D205 Blank line missing between one-line summary and description
126: D102 Docstring missing
132:53: E121 continuation line under-indented for hanging indent
148: D102 Docstring missing
152: D401 First line should be imperative: 'solrutil', not 'solrutils'
152: D400 First line should end with '.', not 's'
158: D203 Expected 1 blank line *before* class docstring, found 0
158: D204 Expected 1 blank line *after* class docstring, found 0
158: D400 First line should end with '.', not ':'
158: D205 Blank line missing between one-line summary and description
164: D102 Docstring missing
168: D401 First line should be imperative: 'solrutil', not 'solrutils'
168: D400 First line should end with '.', not 's'
183: D203 Expected 1 blank line *before* class docstring, found 0
183: D204 Expected 1 blank line *after* class docstring, found 0
183: D400 First line should end with '.', not ':'
183: D205 Blank line missing between one-line summary and description
190: D102 Docstring missing
194: D401 First line should be imperative: 'solrutil', not 'solrutils'
194: D400 First line should end with '.', not 's'
209: D203 Expected 1 blank line *before* class docstring, found 0
209: D204 Expected 1 blank line *after* class docstring, found 0
209: D400 First line should end with '.', not ':'
209: D205 Blank line missing between one-line summary and description
216: D102 Docstring missing
220: D401 First line should be imperative: 'solrutil', not 'solrutils'
220: D400 First line should end with '.', not 's'
231: D203 Expected 1 blank line *before* class docstring, found 0
231: D204 Expected 1 blank line *after* class docstring, found 0
231: D400 First line should end with '.', not ':'
231: D205 Blank line missing between one-line summary and description
238: D401 First line should be imperative: 'solrutil', not 'solrutils'
238: D400 First line should end with '.', not 's'
244: D401 First line should be imperative: 'solrutil', not 'solrutils'
244: D400 First line should end with '.', not 's'
250: D203 Expected 1 blank line *before* class docstring, found 0
250: D204 Expected 1 blank line *after* class docstring, found 0
250: D400 First line should end with '.', not ':'
250: D205 Blank line missing between one-line summary and description
257: D401 First line should be imperative: 'solrutil', not 'solrutils'
257: D400 First line should end with '.', not 't'
271: D401 First line should be imperative: 'solrutil', not 'solrutils'
271: D400 First line should end with '.', not 't'