Add acceptance to RSpec::Rails::DIRECTORY_MAPPINGS

Author: potomak

lib/rspec_api_documentation/dsl.rb

@@ -35,3 +35,8 @@ def resource(*args, &block)
 RSpec.configuration.include RspecApiDocumentation::DSL::Endpoint, :api_doc_dsl => :endpoint
 RSpec.configuration.include RspecApiDocumentation::DSL::Callback, :api_doc_dsl => :callback
 RSpec.configuration.backtrace_exclusion_patterns << %r{lib/rspec_api_documentation/dsl/}
+
+if defined? RSpec::Rails
+  RSpec::Rails::DIRECTORY_MAPPINGS[:acceptance] = %w[spec acceptance]
+  RSpec.configuration.infer_spec_type_from_file_location!
+end