Add to_s to remaining resources

Signed-off-by: Clinton Wolfe <clintoncwolfe@gmail.com>

lib/inspec/resources/aide_conf.rb

@@ -48,6 +48,10 @@ module Inspec::Resources
 
     filter.install_filter_methods_on_resource(self, :params)
 
+    def to_s
+      "AIDE Config"
+    end
+
     private
 
     def read_content

lib/inspec/resources/etc_fstab.rb

@@ -57,6 +57,10 @@ module Inspec::Resources
       where { mount_point == "/home" }.entries[0].mount_options
     end
 
+    def to_s
+      "File System Table File (fstab)"
+    end
+
     private
 
     def read_content

lib/inspec/resources/etc_hosts.rb

@@ -37,6 +37,10 @@ module Inspec::Resources
       .register_column(:all_host_names, field: "all_host_names")
       .install_filter_methods_on_resource(self, :params)
 
+    def to_s
+      "Hosts File"
+    end
+
     private
 
     def default_hosts_file_path

lib/inspec/resources/firewalld.rb

@@ -88,6 +88,10 @@ module Inspec::Resources
       firewalld_command("--zone=#{query_zone} --query-rich-rule='#{rule}'") == "yes"
     end
 
+    def to_s
+      "Firewall Rules"
+    end
+
     private
 
     def active_zones

lib/inspec/resources/postfix_conf.rb

@@ -22,6 +22,10 @@ module Inspec::Resources
       SimpleConfig.new(content).params
     end
 
+    def to_s
+      "Postfix Mail Transfer Agent"
+    end
+
     private
 
     def resource_base_name

lib/inspec/resources/security_identifier.rb

@@ -47,6 +47,10 @@ module Inspec::Resources
       @sids.key?(@name)
     end
 
+    def to_s
+      "Security Identifier"
+    end
+
     private
 
     def fetch_sids