Support errors occur at before and after hook.

[gongo]

Motivation

When errors occur at RSpec before/after hook block:

• Before 0.5.0
  • Errors occur GH-67

• 0.6.x beta4

  • No error occur but no display

    

Solution

🍕

At before hook:

At after hook:

[gongo]

The remaining problem

Errors occur in steps and after hook (This problem is real cause of GH-67)