```ruby
require 'spec_helper'
require 'input_stream_module/input_stream'

describe InputStream do
  
  describe ".prompt" do
    let(:string_output) { InputStream.prompt("--- Please input your text below ----") }

    it "takes a string as a parameter and outputs to STDOUT" do
      expect { string_output }.to output("--- Please input your text below ----\n").to_stdout
    end
  end

  describe ".get_input" do
    it "captures STDIN and outputs it as a string" do
      mod_double = class_double("InputStream").as_stubbed_const(:transfer_nested_constants => true)

      allow(mod_double).to receive(:get_input)
      expect { mod_double.get_input }.to output(kind_of(String)).to_stdout
    end
  end

  describe ".read_file" do
    pending
  end

end```

Write test for raising error
user
```ruby
require 'spec_helper'
require 'input_stream_module/input_stream'

describe InputStream do
  
  describe ".prompt" do
    let(:string_output) { InputStream.prompt("--- Please input your text below ----") }

    it "takes a string as a parameter and outputs to STDOUT" do
      expect { string_output }.to output("--- Please input your text below ----\n").to_stdout
    end
  end

  describe ".get_input" do
    it "captures STDIN and outputs it as a string" do
      mod_double = class_double("InputStream").as_stubbed_const(:transfer_nested_constants => true)

      allow(mod_double).to receive(:get_input)
      expect { mod_double.get_input }.to output(kind_of(String)).to_stdout
    end
  end

  describe ".read_file" do
    let(:file) { InputStream.read_file(['no.txt']) }

    it "raises an error when the file can't be found or read" do
      expect { file }.to raise_error(LoadError, "File not found: Please try again.")
    end
  end
end```
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