lib/micro/case/error.rb in u-case-3.0.0.rc9 vs lib/micro/case/error.rb in u-case-3.0.0

@@ -44,10 +44,12 @@
       class InvalidUseCase < TypeError
         def initialize; super('use case must be a kind or an instance of Micro::Case'.freeze); end
       end
 
       class InvalidInvocationOfTheThenMethod < StandardError
-        def initialize; super('Invalid invocation of the Micro::Case::Result#then method'); end
+        def initialize(class_name)
+          super("Invalid invocation of the #{class_name}#then method")
+        end
       end
 
       def self.by_wrong_usage?(exception)
         exception.is_a?(InvalidResult) || exception.is_a?(UnexpectedResult) || exception.is_a?(ArgumentError)
       end