Instead of being an error, store wildcard error as a warning

Author: TooManyBees

lib/github-pages-health-check/domain.rb

@@ -96,7 +96,7 @@ class Domain < Checkable
         should_be_a_record? cname_to_github_user_domain? cname_to_domain_to_pages?
         cname_to_pages_dot_github_dot_com? cname_to_fastly?
         pointed_to_github_pages_ip? non_github_pages_ip_present? pages_domain?
-        served_by_pages? valid? reason valid_domain? https?
+        served_by_pages? valid? reason warnings valid_domain? https?
         enforces_https? https_error https_eligible? caa_error dns_zone_soa? dns_zone_ns?
       ].freeze
 
@@ -113,6 +113,7 @@ def initialize(host, nameservers: :default)
         @nameservers = nameservers
         @resolver = GitHubPages::HealthCheck::Resolver.new(self.host,
                                                            :nameservers => nameservers)
+        @warnings = {}
       end
 
       # Runs all checks, raises an error if invalid
@@ -126,12 +127,17 @@ def check!
         raise Errors::InvalidCNAMEError.new :domain => self      if invalid_cname?
         raise Errors::InvalidAAAARecordError.new :domain => self if invalid_aaaa_record?
         raise Errors::NotServedByPagesError.new :domain => self  unless served_by_pages?
-        raise Errors::WildcardRecordError.new(:domain => self, :parent_domain => parent_domain) if maybe_wildcard?
+
+        warnings[Errors::WildCardRecordError] = Errors::WildcardRecordError.new(:domain => self, :parent_domain => parent_domain) if maybe_wildcard?
 
         true
       end
       # rubocop:enable Metrics/AbcSize, Metrics/CyclomaticComplexity, Metrics/PerceivedComplexity
 
+      def warnings
+        @warnings.values
+      end
+
       def deprecated_ip?
         return @deprecated_ip if defined? @deprecated_ip