patch 8.1.1168: not all screen update code of terminal is executed in tests
Problem: Not all screen update code of the terminal window is executed in
tests.
Solution: Redraw before taking a screenshot.
diff --git a/src/testdir/screendump.vim b/src/testdir/screendump.vim
index 4015419..1630dfa 100644
--- a/src/testdir/screendump.vim
+++ b/src/testdir/screendump.vim
@@ -113,6 +113,10 @@
let reference = 'dumps/' . a:filename . '.dump'
let testfile = 'failed/' . a:filename . '.dump'
+ " Redraw to execut the code that updates the screen. Otherwise we get the
+ " text and attributes only from the internal buffer.
+ redraw
+
let did_mkdir = 0
if !isdirectory('failed')
let did_mkdir = 1