```ruby
require File.dirname(__FILE__) + '/../../../../../spec_helper'
require 'csv'

describe "CSV::Reader.parse" do

  it "processes empty input without calling block" do
    empty_input = mock('empty file')
    empty_input.should_receive(:read).once.and_return(nil)
    CSV::Reader.parse(empty_input) do |row|
      Expectation.fail_with('block should not be executed', 'but executed')
    end
    Mock.verify_count
  end

  it "calls block once for one row of input" do
    input_stream = File.open(File.dirname(__FILE__) + '/../fixtures/one_line.csv', 'rb')
    count = 0
    CSV::Reader.parse(input_stream) do |row|
      count += 1
    end
    count.should == 1
  end

end
```

Remove obsolete call to Mock.verify_count in CSV::Reader.parse specs.
user
```ruby
require File.dirname(__FILE__) + '/../../../../../spec_helper'
require 'csv'

describe "CSV::Reader.parse" do

  it "processes empty input without calling block" do
    empty_input = mock('empty file')
    empty_input.should_receive(:read).once.and_return(nil)
    CSV::Reader.parse(empty_input) do |row|
      Expectation.fail_with('block should not be executed', 'but executed')
    end
  end

  it "calls block once for one row of input" do
    input_stream = File.open(File.dirname(__FILE__) + '/../fixtures/one_line.csv', 'rb')
    count = 0
    CSV::Reader.parse(input_stream) do |row|
      count += 1
    end
    count.should == 1
  end

end
```
assistant