```ruby
require 'spec_helper'

describe 'netrc' do
  context 'supported operating systems' do
    on_supported_os.each do |os, facts|
      context "on #{os}" do
        let(:facts) do
          facts
        end

        context "netrc class without any parameters" do
          it { is_expected.to compile.with_all_deps }

        end
      end
    end
  end

  context 'unsupported operating system' do
    describe 'netrc class without any parameters on Solaris/Nexenta' do
      let(:facts) do
        {
          :osfamily        => 'Solaris',
          :operatingsystem => 'Nexenta',
        }
      end

      it { expect { should compile }.to raise_error(Puppet::Error, /Nexenta not supported/) }
    end
  end
end
```

Remove empty line in spec test
user
```ruby
require 'spec_helper'

describe 'netrc' do
  context 'supported operating systems' do
    on_supported_os.each do |os, facts|
      context "on #{os}" do
        let(:facts) do
          facts
        end

        context "netrc class without any parameters" do
          it { is_expected.to compile.with_all_deps }
        end
      end
    end
  end

  context 'unsupported operating system' do
    describe 'netrc class without any parameters on Solaris/Nexenta' do
      let(:facts) do
        {
          :osfamily        => 'Solaris',
          :operatingsystem => 'Nexenta',
        }
      end

      it { expect { should compile }.to raise_error(Puppet::Error, /Nexenta not supported/) }
    end
  end
end
```
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