patch 8.2.0982: insufficient testing for reading/writing files
Problem: Insufficient testing for reading/writing files.
Solution: Add more tests. (Yegappan Lakshmanan, closes #6257)
Add "ui_delay" to test_override() and use it for the CTRL-O test.
diff --git a/runtime/doc/testing.txt b/runtime/doc/testing.txt
index 4e85bdc..64b8697 100644
--- a/runtime/doc/testing.txt
+++ b/runtime/doc/testing.txt
@@ -165,6 +165,8 @@
terminals
no_wait_return set the "no_wait_return" flag. Not restored
with "ALL".
+ ui_delay time in msec to use in ui_delay(); overrules a
+ wait time of up to 3 seconds for messages
term_props reset all terminal properties when the version
string is detected
ALL clear all overrides ({val} is not used)