Move placeholder initializer up a level

src/spectator.cr

@@ -41,6 +41,12 @@ module Spectator
       # Include the DSL for creating groups, example, and more.
       include ::Spectator::DSL::StructureDSL
 
+      # Placeholder initializer.
+      # This is needed because examples and groups call super in their initializer.
+      # Those initializers pass the sample values upward through their hierarchy.
+      def initialize(_sample_values : ::Spectator::Internals::SampleValues)
+      end
+
       # Pass off the "what" argument and block to `DSL::StructureDSL.describe`.
       # That method will handle creating a new group for this spec.
       describe({{what}}) {{block}}

src/spectator/dsl/structure_dsl.cr

@@ -151,12 +151,6 @@ module Spectator::DSL
   # Sample values are a collection of test values that can be used in examples.
   # For more information, see `Internals::SampleValues`.
   module StructureDSL
-    # Placeholder initializer.
-    # This is needed because examples and groups call super in their initializer.
-    # Those initializers pass the sample values upward through their hierarchy.
-    def initialize(sample_values : Internals::SampleValues)
-    end
-
     # Creates a new example group to describe a component.
     # The *what* argument describes "what" is being tested.
     # Additional example groups and DSL may be nested in the block.