diff --git a/tests/dummyflasher.c b/tests/dummyflasher.c
index c41f9dff7..052938bec 100644
--- a/tests/dummyflasher.c
+++ b/tests/dummyflasher.c
@@ -123,6 +123,24 @@ void dummy_null_prog_param_test_success(void **state)
 	run_basic_lifecycle(state, &dummy_io, &programmer_dummy, NULL);
 }
 
+void dummy_all_buses_test_success(void **state)
+{
+	struct io_mock_fallback_open_state dummy_fallback_open_state = {
+		.noc = 0,
+		.paths = { NULL },
+	};
+	const struct io_mock dummy_io = {
+		.fallback_open_state = &dummy_fallback_open_state,
+	};
+
+	run_basic_lifecycle(state, &dummy_io, &programmer_dummy, "bus=lpc+fwh");
+	run_basic_lifecycle(state, &dummy_io, &programmer_dummy, "bus=spi");
+	run_basic_lifecycle(state, &dummy_io, &programmer_dummy, "bus=prog");
+	run_basic_lifecycle(state, &dummy_io, &programmer_dummy, "bus=parallel+fwh+prog");
+	run_basic_lifecycle(state, &dummy_io, &programmer_dummy, "bus=spi+prog");
+	run_basic_lifecycle(state, &dummy_io, &programmer_dummy, "bus=parallel+lpc+spi");
+}
+
 #else
 	SKIP_TEST(dummy_basic_lifecycle_test_success)
 	SKIP_TEST(dummy_probe_lifecycle_test_success)
@@ -131,4 +149,5 @@ void dummy_null_prog_param_test_success(void **state)
 	SKIP_TEST(dummy_init_success_invalid_param_test_success)
 	SKIP_TEST(dummy_init_success_unhandled_param_test_success)
 	SKIP_TEST(dummy_null_prog_param_test_success)
+	SKIP_TEST(dummy_all_buses_test_success)
 #endif /* CONFIG_DUMMY */
diff --git a/tests/tests.c b/tests/tests.c
index 0912f3533..0de01686a 100644
--- a/tests/tests.c
+++ b/tests/tests.c
@@ -447,6 +447,7 @@ int main(int argc, char *argv[])
 		cmocka_unit_test(dummy_init_success_invalid_param_test_success),
 		cmocka_unit_test(dummy_init_success_unhandled_param_test_success),
 		cmocka_unit_test(dummy_null_prog_param_test_success),
+		cmocka_unit_test(dummy_all_buses_test_success),
 		cmocka_unit_test(nicrealtek_basic_lifecycle_test_success),
 		cmocka_unit_test(raiden_debug_basic_lifecycle_test_success),
 		cmocka_unit_test(dediprog_basic_lifecycle_test_success),
diff --git a/tests/tests.h b/tests/tests.h
index bdcfdae9c..8f63f91ba 100644
--- a/tests/tests.h
+++ b/tests/tests.h
@@ -51,6 +51,7 @@ void dummy_init_fails_unhandled_param_test_success(void **state);
 void dummy_init_success_invalid_param_test_success(void **state);
 void dummy_init_success_unhandled_param_test_success(void **state);
 void dummy_null_prog_param_test_success(void **state);
+void dummy_all_buses_test_success(void **state);
 void nicrealtek_basic_lifecycle_test_success(void **state);
 void raiden_debug_basic_lifecycle_test_success(void **state);
 void dediprog_basic_lifecycle_test_success(void **state);