Unable to find link "Edit proof"

Failures:

  1) Manage proofs user edits a proof
     Failure/Error: click_link 'Edit proof'
     Capybara::ElementNotFound:
       Unable to find link "Edit proof"
     # ./spec/features/manage_requirements_spec.rb:54:in `block (2
levels) in <top (required)>'

Finished in 0.38941 seconds
6 examples, 1 failure, 2 pending

Failed examples:

rspec ./spec/features/manage_requirements_spec.rb:47 # Manage proofs
user edits a proof
fix loading reference user proof
refactor image/edit link for proof into a helper
moving logic and attach proof link to a helper