t7800: move '--symlinks' specific test to the end

This will group the tests more logically when we introduce a helper to
run most --dir-diff tests with both --symlinks and --no-symlinks.

Signed-off-by: John Keeping <john@keeping.me.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

t/t7800-difftool.sh

@@ -340,6 +340,21 @@ test_expect_success PERL 'difftool --dir-diff' '
 	stdin_contains file <output
 '
 
+test_expect_success PERL 'difftool --dir-diff ignores --prompt' '
+	git difftool --dir-diff --prompt --extcmd ls branch >output &&
+	stdin_contains sub <output &&
+	stdin_contains file <output
+'
+
+test_expect_success PERL 'difftool --dir-diff from subdirectory' '
+	(
+		cd sub &&
+		git difftool --dir-diff --extcmd ls branch >output &&
+		stdin_contains sub <output &&
+		stdin_contains file <output
+	)
+'
+
 write_script .git/CHECK_SYMLINKS <<\EOF
 for f in file file2 sub/sub
 do
@@ -362,19 +377,4 @@ test_expect_success PERL,SYMLINKS 'difftool --dir-diff --symlink without unstage
 	test_cmp actual expect
 '
 
-test_expect_success PERL 'difftool --dir-diff ignores --prompt' '
-	git difftool --dir-diff --prompt --extcmd ls branch >output &&
-	stdin_contains sub <output &&
-	stdin_contains file <output
-'
-
-test_expect_success PERL 'difftool --dir-diff from subdirectory' '
-	(
-		cd sub &&
-		git difftool --dir-diff --extcmd ls branch >output &&
-		stdin_contains sub <output &&
-		stdin_contains file <output
-	)
-'
-
 test_done