test: new and closed for crystal

tests/test_closed.diff

@@ -75,6 +75,17 @@ index 525e25d..ba4e68d 100644
 -    kept together as one.
 -    '''
 -    pass
+diff --git a/tests/example_file.cr b/tests/example_file.cr
+index e6da2ec..67f14dd 100644
+--- a/tests/example_file.cr
++++ b/tests/example_file.cr
+@@ -1,14 +1,3 @@
+-# TODO: Come up with a more imaginative greeting
+ puts "Greetings"
+-
+-# TODO: Do even more stuff
+-# This function should probably do something more interesting
+-# labels: help wanted
 diff --git a/tests/example_file.rb b/tests/example_file.rb
 index e6da2ec..67f14dd 100644
 --- a/tests/example_file.rb
@@ -210,4 +221,4 @@ index 525e25d..ba4e68d 100644
 -   TODO:Multiline comments
 -   also need to be turned into todos, and hopefully
 -   kept together as one todo
-- #}
+- #}