Apply suggestions from code review

Co-authored-by: Lucas Garron <[email protected]>

Author: KyFaSt

lib/secure_headers/headers/content_security_policy.rb

@@ -51,7 +51,9 @@ def value
     def build_value
       directives.map do |directive_name|
         case DIRECTIVE_VALUE_TYPES[directive_name]
-        when :source_list, :require_sri_for_list, :require_trusted_types_for_list # require_sri is a simple set of strings that don't need to deal with symbol casing
+        when :source_list,
+             :require_sri_for_list, # require_sri is a simple set of strings that don't need to deal with symbol casing
+             :require_trusted_types_for_list 
           build_source_list_directive(directive_name)
         when :boolean
           symbol_to_hyphen_case(directive_name) if @config.directive_value(directive_name)

spec/lib/secure_headers/headers/content_security_policy_spec.rb

@@ -141,7 +141,7 @@ module SecureHeaders
         expect(csp.value).to eq("default-src 'self'; require-sri-for script style")
       end
 
-      it "allows style as a require-trusted-types-src" do
+      it "allows style as a require-trusted-types-for source" do
         csp = ContentSecurityPolicy.new(default_src: %w('self'), require_trusted_types_for: %w(script))
         expect(csp.value).to eq("default-src 'self'; require-trusted-types-for script")
       end