[subset] Add some subsetting integration tests covering retain gids.
diff --git a/test/subset/data/profiles/drop-hints-retain-gids.txt b/test/subset/data/profiles/drop-hints-retain-gids.txt
new file mode 100644
index 0000000..b0409b8
--- /dev/null
+++ b/test/subset/data/profiles/drop-hints-retain-gids.txt
@@ -0,0 +1,2 @@
+--no-hinting
+--retain-gids
diff --git a/test/subset/data/profiles/retain-gids.txt b/test/subset/data/profiles/retain-gids.txt
new file mode 100644
index 0000000..afc9ce0
--- /dev/null
+++ b/test/subset/data/profiles/retain-gids.txt
@@ -0,0 +1,2 @@
+--retain-gids
+
diff --git a/test/subset/data/tests/basics.tests b/test/subset/data/tests/basics.tests
index 9725445..4fc3f4e 100644
--- a/test/subset/data/tests/basics.tests
+++ b/test/subset/data/tests/basics.tests
@@ -4,6 +4,8 @@
PROFILES:
default.txt
drop-hints.txt
+drop-hints-retain-gids.txt
+retain-gids.txt
SUBSETS:
abc
