Add specs configuration

spec/spec_helper.rb

@@ -0,0 +1,20 @@
+# frozen_string_literal: true
+
+RSpec.configure do |config|
+  config.disable_monkey_patching!
+  config.filter_run focus: true
+  config.filter_run_excluding changes_filesystem: true
+  config.run_all_when_everything_filtered = true
+  config.color = true
+  config.order = :random
+  config.example_status_persistence_file_path = '.rspec_failures'
+
+  config.shared_context_metadata_behavior = :apply_to_host_groups
+
+  config.expect_with :rspec do |expectations|
+    expectations.include_chain_clauses_in_custom_matcher_descriptions = true
+  end
+  config.mock_with :rspec do |mocks|
+    mocks.verify_partial_doubles = true
+  end
+end