test: support older rubies

Author: bf4

lib/rspec_api_documentation.rb

@@ -1,3 +1,4 @@
+require 'logger'  # Ensure Logger is loaded for ActiveSupport 6.1+ compatibility with Ruby <= 2.6
 require 'active_support'
 require 'active_support/inflector'
 require 'active_support/core_ext/array/extract_options'

spec/http_test_client_spec.rb

@@ -8,7 +8,11 @@
 describe RspecApiDocumentation::HttpTestClient do
   before(:all) do
     WebMock.allow_net_connect!
-    Capybara.server = :webrick
+    # Capybara.server= was introduced in later versions
+    # For older versions, we use the Capybara::Server directly with webrick
+    if Capybara.respond_to?(:server=)
+      Capybara.server = :webrick
+    end
     server = Capybara::Server.new(StubApp.new, port: 8888)
     server.boot
   end