diff --git a/src/testdir/test_vim9_func.vim b/src/testdir/test_vim9_func.vim
index ed59721..25c40c8 100644
--- a/src/testdir/test_vim9_func.vim
+++ b/src/testdir/test_vim9_func.vim
@@ -258,7 +258,7 @@
 
 def Test_call_funcref()
   assert_equal(3, g:SomeFunc('abc'))
-  assert_fails('NotAFunc()', 'E117:')
+  assert_fails('NotAFunc()', 'E117:') # comment after call
   assert_fails('g:NotAFunc()', 'E117:')
 
   let lines =<< trim END
@@ -425,9 +425,7 @@
     enddef
     defcompile
   END
-  writefile(lines, 'Xcall_decl.vim')
-  assert_fails('source Xcall_decl.vim', 'E1054:')
-  delete('Xcall_decl.vim')
+  CheckScriptFailure(lines, 'E1054:')
 enddef
 
 def Test_vim9script_call_fail_type()