Improve test/other/test_ioctl.c (#19519)

Author: mame

test/other/test_ioctl.c

@@ -14,7 +14,7 @@
 int main() {
   // CLOEXEC is not supported
   assert(ioctl(STDOUT_FILENO, FIOCLEX, NULL) == -1);
-  assert(errno = EINVAL);
+  assert(errno == EINVAL);
 
   puts("success");
   return 0;

test/test_other.py

@@ -8971,7 +8971,7 @@ def test_ioctl_window_size(self):
       self.do_other_test('test_ioctl_window_size.cpp')
 
   @also_with_wasmfs
-  def test_sys_ioctl(self):
+  def test_ioctl(self):
     # ioctl requires filesystem
     self.do_other_test('test_ioctl.c', emcc_args=['-sFORCE_FILESYSTEM'])