Acceptance tests can be executed on Ruby 2.7

[sanfrancrisko]

There are a number of issues when attempting to execute acceptance tests against Ruby 2.7:

Hanging / waiting for STD[OUT|ERR]

• spec/acceptance/bundle_spec.rb:42

Failures (RCA still to be performed)

• /spec/acceptance/convert_spec.rb:15
• /spec/acceptance/convert_spec.rb:40
• /spec/acceptance/convert_spec.rb:69
• /spec/acceptance/convert_spec.rb:102
• /spec/acceptance/convert_spec.rb:126
• /spec/acceptance/convert_spec.rb:148
• /spec/acceptance/get_config_spec.rb:12
• /spec/acceptance/get_config_spec.rb:19
• /spec/acceptance/get_config_spec.rb:31
• /spec/acceptance/new_class_spec.rb:31
• /spec/acceptance/new_class_spec.rb:46
• /spec/acceptance/new_class_spec.rb:61
• /spec/acceptance/new_defined_type_spec.rb:31
• /spec/acceptance/new_defined_type_spec.rb:46
• /spec/acceptance/new_defined_type_spec.rb:61
• /spec/acceptance/new_provider_spec.rb:16
• /spec/acceptance/new_transport_spec.rb:17
• /spec/acceptance/template_ref_spec.rb:28
• /spec/acceptance/template_ref_spec.rb:45
• /spec/acceptance/update_spec.rb:15
• /spec/acceptance/update_spec.rb:73

Warnings from 3rd party libraries / runtime

RSpec

• WARNING: ```around(:context)``` hooks are not supported and behave like ```around(:example). Called from ~/code/pdk/spec/acceptance/test_unit_spec.rb:8:in ````block (2 levels) in <top (required)>'.

2.7 Stdlib / json_pure Gem

• ~/code/pdk/.bundle/ruby/2.7.0/gems/json_pure-2.1.0/lib/json/common.rb:156: warning: Using the last argument as keyword parameters is deprecated: this may go away by bumping the pure_json Gem version given 2.1.0 is from April 2017 and likely didn't have Ruby 2.7 support.

[sanfrancrisko]

Some of these issues may need split out in to their own issues / discussions.