dtc is able to sort the import symbols list when the --sort option is
used.

Improve the metadata sort test to perform a check for this feature.

Signed-off-by: Herve Codina <herve.codina@bootlin.com>
---
 tests/metadata_sort.dtb.dts.expect | 4 ++++
 tests/metadata_sort.dtb.expect     | 3 +++
 tests/metadata_sort.dts            | 4 ++++
 tests/run_tests.sh                 | 4 ++--
 4 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/tests/metadata_sort.dtb.dts.expect b/tests/metadata_sort.dtb.dts.expect
index f07a42b..270c06d 100644
--- a/tests/metadata_sort.dtb.dts.expect
+++ b/tests/metadata_sort.dtb.dts.expect
@@ -1,6 +1,10 @@
 /dts-v1/;
 /addon/;
 
+/import/ abc: "foo,bar";
+/import/ de1: "foo,bar";
+/import/ de2: "foo,bar";
+
 / {
 
 	node-a {
diff --git a/tests/metadata_sort.dtb.expect b/tests/metadata_sort.dtb.expect
index 7856894..0dacab7 100644
--- a/tests/metadata_sort.dtb.expect
+++ b/tests/metadata_sort.dtb.expect
@@ -13,3 +13,6 @@
         phandle = <0x00000001>;
     };
 };
+// [FDT_IMPORT_SYM] 'abc' (foo,bar)
+// [FDT_IMPORT_SYM] 'de1' (foo,bar)
+// [FDT_IMPORT_SYM] 'de2' (foo,bar)
diff --git a/tests/metadata_sort.dts b/tests/metadata_sort.dts
index 7d1cca7..e523e20 100644
--- a/tests/metadata_sort.dts
+++ b/tests/metadata_sort.dts
@@ -6,6 +6,10 @@
 /dts-v1/;
 /addon/;
 
+/import/ de1: "foo,bar";
+/import/ abc: "foo,bar";
+/import/ de2: "foo,bar";
+
 / {
 	node_b: node-b {
 	};
diff --git a/tests/run_tests.sh b/tests/run_tests.sh
index 5368db9..a5e31df 100755
--- a/tests/run_tests.sh
+++ b/tests/run_tests.sh
@@ -1158,8 +1158,8 @@ metadata_tests() {
 
 	run_dtc_test -I dts -O dtb -s -o metadata_sort.dtb "$SRCDIR/metadata_sort.dts"
 	base_run_test wrap_fdtdump metadata_sort.dtb metadata_sort.dtb.out
-	# Remove unneeded comments
-	sed -i '/^\/\/ /d' metadata_sort.dtb.out
+	# Remove unneeded comments, keep comments in the form '// [xxxx'
+	sed -i '/^\/\/ [^\[]/d' metadata_sort.dtb.out
 	base_run_test check_diff metadata_sort.dtb.out "$SRCDIR/metadata_sort.dtb.expect"
 	run_dtc_test -I dtb -O dts -o metadata_sort.dtb.dts metadata_sort.dtb
 	base_run_test check_diff metadata_sort.dtb.dts "$SRCDIR/metadata_sort.dtb.dts.expect"
-- 
2.52.0