Event better tests for comments

test/indent/elixir/insert-comment-hash/cmd

@@ -1 +1 @@
-c<ret><esc><a-o>jo# comment3<ret>comment4<esc><a-o>jo#    indented<ret>indented2
+c<ret><esc><a-o>jo# comment3<ret>comment4<esc><a-o>jo#    indented<ret>indented2<esc><a-o>jodef f() do<ret># comment<ret>comment2<esc>j<a-o>jodef f() do<ret># comment<esc>hhhi<ret>

test/indent/elixir/insert-comment-hash/out

@@ -6,3 +6,13 @@
 
 #    indented
 #    indented2
+
+def f() do
+    # comment
+    # comment2
+end
+
+def f() do
+    # comm
+    # ent
+end