t5520: use test_config to set/unset git config variables

diff --git a/t/t6026-merge-attr.sh b/t/t6026-merge-attr.sh
index 1ba0a252230a283a6bb2463d98537aab1eaf4fb8..5e439972bea358f700ded4266df31f7dc4514800 100755 (executable)
--- a/t/t6026-merge-attr.sh
+++ b/t/t6026-merge-attr.sh
@@ -70,6 +70,18 @@ test_expect_success 'check merge result in working tree' '
 
 '
 
+test_expect_success 'retry the merge with longer context' '
+       echo text conflict-marker-size=32 >>.gitattributes &&
+       git checkout -m text &&
+       sed -ne "/^\([<=>]\)\1\1\1*/{
+               s/ .*$//
+               p
+       }" >actual text &&
+       grep ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>" actual &&
+       grep "================================" actual &&
+       grep "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<" actual
+'
+
 cat >./custom-merge <<\EOF
 #!/bin/sh