add class doc comment tests

Author: shadr

tests/expected/class_doc_comment.gd

@@ -0,0 +1,24 @@
+class_name Player
+extends CharacterBody2D
+## A brief description of the class's role and functionality.
+##
+## The description of script
+class_name Player
+extends CharacterBody2D
+## A brief description of the class's role and functionality.
+##
+## The description of script
+class_name Player
+extends CharacterBody2D
+## A brief description of the class's role and functionality.
+##
+## The description of script
+
+var a = 10
+class_name Player
+extends CharacterBody2D
+## A brief description of the class's role and functionality.
+##
+## The description of script
+
+var a = 10

tests/input/class_doc_comment.gd

@@ -0,0 +1,23 @@
+class_name Player extends CharacterBody2D
+
+## A brief description of the class's role and functionality.
+##
+## The description of script
+class_name Player extends CharacterBody2D
+## A brief description of the class's role and functionality.
+##
+## The description of script
+class_name Player extends CharacterBody2D
+## A brief description of the class's role and functionality.
+##
+## The description of script
+
+var a = 10
+class_name Player
+extends CharacterBody2D
+
+## A brief description of the class's role and functionality.
+##
+## The description of script
+
+var a = 10