'
+test_expect_success 'color new trailing blank lines' '
+ { echo a; echo b; echo; echo; } >x &&
+ git add x &&
+ { echo a; echo; echo; echo; echo c; echo; echo; echo; echo; } >x &&
+ git diff --color x >output &&
+ cnt=$(grep "${blue_grep}" output | wc -l) &&
+ test $cnt = 2
+'
+
test_done