Add test for highlight and last function (#445)

Author: utix

test/diff-so-fancy.bats

@@ -247,3 +247,10 @@ teardown_file() {
 	assert_line --index 1 --partial "modified: doc/manual.xml.head"
 	assert_line --index 3 --partial "@ doc/manual.xml.head:8355 @"
 }
+
+@test "Functionnal part with bright color" {
+  output=$( load_fixture "move_with_content_change" | $diff_so_fancy )
+  run printf "%s" "$output"
+  assert_line --index 3 --partial  "@ height"
+}
+

test/test_helper/util.bash

@@ -26,6 +26,7 @@ setup_default_dsf_git_config() {
 	old = red bold
 	new = green bold
 	whitespace = red reverse
+	func = brightyellow
 
 [color "diff-highlight"]
 	oldNormal = red bold