```ruby
require 'spec_helper'

describe Shenv do
  it 'loads existing environment from file' do
    shenv_key = 'this is a shenv test'
    shenv_val = '7'
    ENV[shenv_key] = shenv_val
    env = Shenv.env_as_hash
    expect(env[shenv_key]).to eq(shenv_val)
  end
end
```

Add failing test with an equals sign in the key.
user
```ruby
require 'spec_helper'

describe Shenv do
  it 'loads existing environment from file' do
    shenv_key = 'this is a shenv test'
    shenv_val = '7'
    ENV[shenv_key] = shenv_val
    env = Shenv.env_as_hash
    expect(env[shenv_key]).to eq(shenv_val)
  end
  it 'loads existing environment from file with an equals sing in the key' do
    shenv_key = 'this is a shenv = test'
    shenv_val = '7'
    ENV[shenv_key] = shenv_val
    env = Shenv.env_as_hash
    expect(env[shenv_key]).to eq(shenv_val)
  end
end
```
assistant