t: use common $SQ variable

diff --git a/t/t4013-diff-various.sh b/t/t4013-diff-various.sh
index 9f8f0e84ad4f35b72da73ef8ddfee0a3cddfbe1a..a9054d2db11608d7ae2d407e9422a4f61c5e9afd 100755 (executable)
--- a/t/t4013-diff-various.sh
+++ b/t/t4013-diff-various.sh
@@ -338,6 +338,8 @@ format-patch --inline --stdout initial..master^^
 format-patch --stdout --cover-letter -n initial..master^
 
 diff --abbrev initial..side
+diff -U initial..side
+diff -U1 initial..side
 diff -r initial..side
 diff --stat initial..side
 diff -r --stat initial..side