Store "what" string in context

src/spectator.cr

@@ -4,7 +4,7 @@ require "./spectator/*"
 module Spectator
   VERSION = "0.1.0"
 
-  ROOT_CONTEXT = Context.new
+  ROOT_CONTEXT = Context.new("ROOT")
 
   macro describe(what, source_file = __FILE__, source_line = __LINE__, &block)
     module Spectator

src/spectator/context.cr

@@ -2,6 +2,7 @@ require "./example"
 
 module Spectator
   class Context
+    getter what : String
     getter parent : Context?
     getter examples = [] of Example
     getter contexts = [] of Context
@@ -14,7 +15,7 @@ module Spectator
     @before_all_hooks_run = false
     @after_all_hooks_run = false
 
-    def initialize(@parent = nil)
+    def initialize(@what, @parent = nil)
       if (parent = @parent)
         parent.contexts << self
       end

src/spectator/dsl.cr

@@ -49,7 +49,7 @@ module Spectator
         include ::Spectator::DSL
 
         PARENT_CONTEXT = {{context_module.id}}::CURRENT_CONTEXT
-        CURRENT_CONTEXT = ::Spectator::Context.new(PARENT_CONTEXT)
+        CURRENT_CONTEXT = ::Spectator::Context.new({{what.stringify}}, PARENT_CONTEXT)
 
         CONTEXT_MODULE = {{context_module.id}}::{{module_name.id}}
         GIVEN_VARIABLES = [