t4004-diff-rename-symlink: 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 <[email protected]>
Signed-off-by: Junio C Hamano <[email protected]>

Author: john-cai

t/t4004-diff-rename-symlink.sh

@@ -14,31 +14,31 @@ TEST_PASSES_SANITIZE_LEAK=true
 . ./test-lib.sh
 . "$TEST_DIRECTORY"/lib-diff.sh
 
-test_expect_success SYMLINKS \
-    'prepare reference tree' \
-    'echo xyzzy | tr -d '\\\\'012 >yomin &&
-     ln -s xyzzy frotz &&
-    git update-index --add frotz yomin &&
-    tree=$(git write-tree) &&
-    echo $tree'
+test_expect_success SYMLINKS 'prepare reference tree' '
+	echo xyzzy | tr -d '\\\\'012 >yomin &&
+	ln -s xyzzy frotz &&
+	git update-index --add frotz yomin &&
+	tree=$(git write-tree) &&
+	echo $tree
+'
 
-test_expect_success SYMLINKS \
-    'prepare work tree' \
-    'mv frotz rezrov &&
-     rm -f yomin &&
-     ln -s xyzzy nitfol &&
-     ln -s xzzzy bozbar &&
-    git update-index --add --remove frotz rezrov nitfol bozbar yomin'
+test_expect_success SYMLINKS 'prepare work tree' '
+	mv frotz rezrov &&
+	rm -f yomin &&
+	ln -s xyzzy nitfol &&
+	ln -s xzzzy bozbar &&
+	git update-index --add --remove frotz rezrov nitfol bozbar yomin
+'
 
 # tree has frotz pointing at xyzzy, and yomin that contains xyzzy to
 # confuse things.  work tree has rezrov (xyzzy) nitfol (xyzzy) and
 # bozbar (xzzzy).
 # rezrov and nitfol are rename/copy of frotz and bozbar should be
 # a new creation.
 
-test_expect_success SYMLINKS 'setup diff output' "
-    GIT_DIFF_OPTS=--unified=0 git diff-index -C -p $tree >current &&
-    cat >expected <<\EOF
+test_expect_success SYMLINKS 'setup diff output' '
+	GIT_DIFF_OPTS=--unified=0 git diff-index -C -p $tree >current &&
+	cat >expected <<\EOF
 diff --git a/bozbar b/bozbar
 new file mode 120000
 --- /dev/null
@@ -62,10 +62,10 @@ deleted file mode 100644
 -xyzzy
 \ No newline at end of file
 EOF
-"
+'
 
-test_expect_success SYMLINKS \
-    'validate diff output' \
-    'compare_diff_patch current expected'
+test_expect_success SYMLINKS 'validate diff output' '
+	compare_diff_patch current expected
+'
 
 test_done