1.      Failure/Error: PdfSplitter.process(TEST_WORKING_PATH, TEST_PDF_NAME_WITH_SPACES)
  2.      ArgumentError:
  3.        input must be an IO-like object or a filename
  4.      # ./lib/pdf_utils.rb:10:in `new'
  5.      # ./lib/pdf_utils.rb:10:in `pdf_text'
  6.      # ./lib/pdf_splitter.rb:12:in `process'
  7.      # ./spec/lib/pdf_splitter_spec.rb:34:in `block (2 levels) in <top (required)>'