Merge branch 'ap/t2015-style-update'

Test clean-up.

* ap/t2015-style-update:
  t2015-checkout-unborn.sh: changes the style for cd

t/t2015-checkout-unborn.sh

@@ -9,11 +9,12 @@ TEST_PASSES_SANITIZE_LEAK=true
 
 test_expect_success 'setup' '
 	mkdir parent &&
-	(cd parent &&
-	 git init &&
-	 echo content >file &&
-	 git add file &&
-	 git commit -m base
+	(
+		cd parent &&
+		git init &&
+		echo content >file &&
+		git add file &&
+		git commit -m base
 	) &&
 	git fetch parent main:origin
 '