Merge pull request #305 from yahonda/devcontainer-ci-rspec-documentation-formatter

Use documentation formatter for rspec in devcontainer CI

Author: yahonda

.github/workflows/devcontainer.yml

@@ -21,5 +21,5 @@ jobs:
             uname -a
             lsb_release -a
             ruby --version
-            bundle exec rake spec
+            SPEC_OPTS="--format documentation" bundle exec rake spec
             bundle exec rubocop