tests: Add G_TEST_OPTION_ISOLATE_DIRS to almost all gdbus tests

This is a spiritual follow-up to commit 8cff531520, which
added `G_TEST_OPTION_ISOLATE_DIRS` to the `gdbus-connection-flush` test
to avoid its D-Bus cookie lock file from being erroneously deleted by
other tests running in parallel.

The same failure mode could affect any of the other D-Bus tests which
connect to a bus. As an easy fix, enable `G_TEST_OPTION_ISOLATE_DIRS`
for all of them.

The only test it’s not (yet) enabled for is `gdbus-address-get-session`
as that messes around with `XDG_RUNTIME_DIR` to test finding the session
bus. It might be possible to use `G_TEST_OPTION_ISOLATE_DIRS` with it,
but that would take longer than I have right now.

In any case, the more tests (which try to connect to a bus) that this is
enabled for, the lower the chances of spurious test failure due to them
conflicting over shared resources.

Signed-off-by: Philip Withnall <pwithnall@endlessos.org>

gio/tests/gdbus-addresses.c

@@ -209,7 +209,7 @@ int
 main (int   argc,
       char *argv[])
 {
-  g_test_init (&argc, &argv, NULL);
+  g_test_init (&argc, &argv, G_TEST_OPTION_ISOLATE_DIRS, NULL);
 
   g_test_add_func ("/gdbus/empty-address", test_empty_address);
   g_test_add_func ("/gdbus/unsupported-address", test_unsupported_address);

gio/tests/gdbus-auth.c

@@ -287,7 +287,7 @@ main (int   argc,
 
   temp_dbus_keyrings_setup ();
 
-  g_test_init (&argc, &argv, NULL);
+  g_test_init (&argc, &argv, G_TEST_OPTION_ISOLATE_DIRS, NULL);
 
   g_test_add_func ("/gdbus/auth/client/EXTERNAL",         auth_client_external);
   g_test_add_func ("/gdbus/auth/client/DBUS_COOKIE_SHA1", auth_client_dbus_cookie_sha1);

gio/tests/gdbus-bz627724.c

@@ -80,7 +80,7 @@ int
 main (int   argc,
       char *argv[])
 {
-  g_test_init (&argc, &argv, NULL);
+  g_test_init (&argc, &argv, G_TEST_OPTION_ISOLATE_DIRS, NULL);
 
   g_test_dbus_unset ();
 

gio/tests/gdbus-close-pending.c

@@ -385,7 +385,7 @@ int
 main (int   argc,
       char *argv[])
 {
-  g_test_init (&argc, &argv, NULL);
+  g_test_init (&argc, &argv, G_TEST_OPTION_ISOLATE_DIRS, NULL);
 
   g_test_add ("/gdbus/close-pending", Fixture, "close",
       setup, test_many_times, teardown);

gio/tests/gdbus-connection-loss.c

@@ -114,7 +114,7 @@ main (int   argc,
   gint ret;
   gchar *path;
 
-  g_test_init (&argc, &argv, NULL);
+  g_test_init (&argc, &argv, G_TEST_OPTION_ISOLATE_DIRS, NULL);
 
   /* all the tests rely on a shared main loop */
   loop = g_main_loop_new (NULL, FALSE);

gio/tests/gdbus-connection-slow.c

@@ -225,7 +225,7 @@ main (int   argc,
 {
   gint ret;
 
-  g_test_init (&argc, &argv, NULL);
+  g_test_init (&argc, &argv, G_TEST_OPTION_ISOLATE_DIRS, NULL);
 
   /* all the tests rely on a shared main loop */
   loop = g_main_loop_new (NULL, FALSE);

gio/tests/gdbus-connection.c

@@ -1277,7 +1277,7 @@ main (int   argc,
 {
   int ret;
 
-  g_test_init (&argc, &argv, NULL);
+  g_test_init (&argc, &argv, G_TEST_OPTION_ISOLATE_DIRS, NULL);
 
   /* all the tests rely on a shared main loop */
   loop = g_main_loop_new (NULL, FALSE);

gio/tests/gdbus-error.c

@@ -260,7 +260,7 @@ int
 main (int   argc,
       char *argv[])
 {
-  g_test_init (&argc, &argv, NULL);
+  g_test_init (&argc, &argv, G_TEST_OPTION_ISOLATE_DIRS, NULL);
 
   g_test_add_func ("/gdbus/registered-errors", test_registered_errors);
   g_test_add_func ("/gdbus/unregistered-errors", test_unregistered_errors);

gio/tests/gdbus-exit-on-close.c

@@ -201,7 +201,7 @@ main (int   argc,
 {
   gint i;
 
-  g_test_init (&argc, &argv, NULL);
+  g_test_init (&argc, &argv, G_TEST_OPTION_ISOLATE_DIRS, NULL);
 
   for (i = 0; cases[i].name != NULL; i++)
     {

gio/tests/gdbus-export.c

@@ -1966,7 +1966,7 @@ main (int   argc,
 {
   gint ret;
 
-  g_test_init (&argc, &argv, NULL);
+  g_test_init (&argc, &argv, G_TEST_OPTION_ISOLATE_DIRS, NULL);
 
   /* all the tests rely on a shared main loop */
   loop = g_main_loop_new (NULL, FALSE);

gio/tests/gdbus-introspection.c

@@ -307,7 +307,7 @@ main (int   argc,
 {
   gint ret;
 
-  g_test_init (&argc, &argv, NULL);
+  g_test_init (&argc, &argv, G_TEST_OPTION_ISOLATE_DIRS, NULL);
 
   /* all the tests rely on a shared main loop */
   loop = g_main_loop_new (NULL, FALSE);

gio/tests/gdbus-message.c

@@ -217,7 +217,7 @@ main (int   argc,
 {
   setlocale (LC_ALL, "C");
 
-  g_test_init (&argc, &argv, NULL);
+  g_test_init (&argc, &argv, G_TEST_OPTION_ISOLATE_DIRS, NULL);
 
   g_test_add_func ("/gdbus/message/lock", message_lock);
   g_test_add_func ("/gdbus/message/copy", message_copy);

gio/tests/gdbus-names.c

@@ -1340,7 +1340,7 @@ main (int   argc,
 {
   gint ret;
 
-  g_test_init (&argc, &argv, NULL);
+  g_test_init (&argc, &argv, G_TEST_OPTION_ISOLATE_DIRS, NULL);
 
   g_test_dbus_unset ();
 

gio/tests/gdbus-overflow.c

@@ -209,7 +209,7 @@ main (int   argc,
   GDBusNodeInfo *introspection_data = NULL;
   gchar *tmpdir = NULL;
 
-  g_test_init (&argc, &argv, NULL);
+  g_test_init (&argc, &argv, G_TEST_OPTION_ISOLATE_DIRS, NULL);
 
   introspection_data = g_dbus_node_info_new_for_xml (test_interface_introspection_xml, NULL);
   g_assert (introspection_data != NULL);

gio/tests/gdbus-proxy-threads.c

@@ -250,7 +250,7 @@ int
 main (int   argc,
       char *argv[])
 {
-  g_test_init (&argc, &argv, NULL);
+  g_test_init (&argc, &argv, G_TEST_OPTION_ISOLATE_DIRS, NULL);
 
   g_test_dbus_unset ();
 

gio/tests/gdbus-proxy-unique-name.c

@@ -203,7 +203,7 @@ main (int   argc,
 {
   gint ret;
 
-  g_test_init (&argc, &argv, NULL);
+  g_test_init (&argc, &argv, G_TEST_OPTION_ISOLATE_DIRS, NULL);
 
   /* all the tests rely on a shared main loop */
   loop = g_main_loop_new (NULL, FALSE);

gio/tests/gdbus-proxy-well-known-name.c

@@ -260,7 +260,7 @@ main (int   argc,
 {
   gint ret;
 
-  g_test_init (&argc, &argv, NULL);
+  g_test_init (&argc, &argv, G_TEST_OPTION_ISOLATE_DIRS, NULL);
 
   /* all the tests rely on a shared main loop */
   loop = g_main_loop_new (NULL, FALSE);

gio/tests/gdbus-proxy.c

@@ -1017,7 +1017,7 @@ main (int   argc,
   gint ret;
   GDBusNodeInfo *introspection_data = NULL;
 
-  g_test_init (&argc, &argv, NULL);
+  g_test_init (&argc, &argv, G_TEST_OPTION_ISOLATE_DIRS, NULL);
 
   introspection_data = g_dbus_node_info_new_for_xml (frob_dbus_interface_xml, NULL);
   g_assert_nonnull (introspection_data);

gio/tests/gdbus-serialization.c

@@ -1624,7 +1624,7 @@ main (int   argc,
   g_setenv ("LC_ALL", "C", TRUE);
   setlocale (LC_ALL, "C");
 
-  g_test_init (&argc, &argv, NULL);
+  g_test_init (&argc, &argv, G_TEST_OPTION_ISOLATE_DIRS, NULL);
 
   g_test_add_func ("/gdbus/message-serialize/basic",
                    test_message_serialize_basic);

gio/tests/gdbus-test-codegen.c

@@ -2736,7 +2736,7 @@ int
 main (int   argc,
       char *argv[])
 {
-  g_test_init (&argc, &argv, NULL);
+  g_test_init (&argc, &argv, G_TEST_OPTION_ISOLATE_DIRS, NULL);
 
   g_test_add_func ("/gdbus/codegen/annotations", test_annotations);
   g_test_add_func ("/gdbus/codegen/interface_stability", test_interface_stability);

gio/tests/gdbus-test-fixture.c

@@ -80,7 +80,7 @@ int
 main (int   argc,
       char *argv[])
 {
-  g_test_init (&argc, &argv, NULL);
+  g_test_init (&argc, &argv, G_TEST_OPTION_ISOLATE_DIRS, NULL);
 
   /* This test simply ensures that we can bring the GTestDBus up and down a hand
    * full of times in a row, each time successfully activating the in-tree service

gio/tests/gdbus-threading.c

@@ -677,7 +677,7 @@ main (int   argc,
   gint ret;
   gchar *path;
 
-  g_test_init (&argc, &argv, NULL);
+  g_test_init (&argc, &argv, G_TEST_OPTION_ISOLATE_DIRS, NULL);
 
   session_bus_up ();