Remove codeclimate-test-reporter from Gemfile

Signed-off-by: Rémy Coutable <remy@rymai.me>

Add a `simplecov` filter for the `/spec` folder

Ensure Guard calls `#stop` even if an exception is raised

 Stub Pathname instead of IO.read in spec

Signed-off-by: Rémy Coutable <remy@rymai.me>

Ruby 2.6 changed Pathname#read from using IO.read to File.read.

README: Drop outdated badge for Gemnasium

  - service closed

CI: Use 2.4.6, 2.5.5, 2.6.2...

   - jruby-9.1.17.0, jruby-9.2.6.0
  - rbx-3.107

Fix YARD annotation

 - Avoid warnings like:  [UnknownParam] @param tag has unknown parameter name: options

Add a "Reviewed by Hound" badge

Bump to 2.15.0

Signed-off-by: Rémy Coutable <remy@rymai.me>

Pry 0.12.0 Deprecation warnings

Co-Authored-By: chadmetcalf <chadmetcalf@users.noreply.github.com>

Apply style guide to the specs

NOOP commit because hound hangs.

Version is actually still supported

Revert "Drop unsupported version from CI"

This reverts commit 93dd1e132ffcd85ce323e32bbc463583103b7ad9.

Fix 2.2.9 incompatibility

This creates a performance hit but as this code is only test code, I deem this acceptable

Get rid of rubocop warnings

Remove superfluous config file