test: add tests for simple ReadOnlyPaths= case

src/test/test-execute.c

@@ -142,6 +142,10 @@ static void test_exec_privatedevices_capabilities(Manager *m) {
         test(m, "exec-privatedevices-no-capability-mknod.service", 0, CLD_EXITED);
 }
 
+static void test_exec_readonlypaths(Manager *m) {
+        test(m, "exec-readonlypaths.service", 0, CLD_EXITED);
+}
+
 static void test_exec_systemcallfilter(Manager *m) {
 #ifdef HAVE_SECCOMP
         if (!is_seccomp_available())
@@ -355,6 +359,7 @@ int main(int argc, char *argv[]) {
                 test_exec_privatetmp,
                 test_exec_privatedevices,
                 test_exec_privatedevices_capabilities,
+                test_exec_readonlypaths,
                 test_exec_privatenetwork,
                 test_exec_systemcallfilter,
                 test_exec_systemcallerrornumber,