t5306-pack-nobase: modernize test format

Some tests still use the old format with four spaces indentation.
Standardize the tests to the new format with tab indentation.

Signed-off-by: John Cai <johncai86@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

t/t5306-pack-nobase.sh

@@ -12,9 +12,8 @@ TEST_PASSES_SANITIZE_LEAK=true
 
 # Create A-B chain
 #
-test_expect_success \
-    'setup base' \
-    'test_write_lines a b c d e f g h i >text &&
+test_expect_success 'setup base' '
+	test_write_lines a b c d e f g h i >text &&
 	echo side >side &&
 	git update-index --add text side &&
 	A=$(echo A | git commit-tree $(git write-tree)) &&
@@ -31,9 +30,8 @@ test_expect_success \
 # Repository is missing A (parent of B).
 # Repository is missing A:side.
 #
-test_expect_success \
-    'setup patch_clone' \
-    'base_objects=$(pwd)/.git/objects &&
+test_expect_success 'setup patch_clone' '
+	base_objects=$(pwd)/.git/objects &&
 	(mkdir patch_clone &&
 	cd patch_clone &&
 	git init &&
@@ -55,9 +53,8 @@ test_expect_success \
 
 # Clone patch_clone indirectly by cloning base and fetching.
 #
-test_expect_success \
-    'indirectly clone patch_clone' \
-    '(mkdir user_clone &&
+test_expect_success 'indirectly clone patch_clone' '
+	(mkdir user_clone &&
 	 cd user_clone &&
 	 git init &&
 	 git pull ../.git &&
@@ -70,9 +67,8 @@ test_expect_success \
 
 # Cloning the patch_clone directly should fail.
 #
-test_expect_success \
-    'clone of patch_clone is incomplete' \
-    '(mkdir user_direct &&
+test_expect_success 'clone of patch_clone is incomplete' '
+	(mkdir user_direct &&
 	 cd user_direct &&
 	 git init &&
 	 test_must_fail git fetch ../patch_clone/.git