Relax flaky requirement of host_dt > device_dt

Author: oleksandr-pavlyk

dpctl/tests/test_sycl_kernel_submit.py

@@ -87,7 +87,7 @@ def test_create_program_from_source(ctype_str, dtype, ctypes_ctor):
             q.submit(axpyKernel, args, r).wait()
             ref_c = a * np.array(d, dtype=dtype) + b
         host_dt, device_dt = timer.dt
-        assert host_dt > device_dt
+        assert type(host_dt) is float and type(device_dt) is float
         assert np.allclose(c, ref_c), "Failed for {}".format(r)
 
     for gr, lr in (
@@ -106,5 +106,5 @@ def test_create_program_from_source(ctype_str, dtype, ctypes_ctor):
             q.submit(axpyKernel, args, gr, lr, [dpctl.SyclEvent()]).wait()
             ref_c = a * np.array(d, dtype=dtype) + b
         host_dt, device_dt = timer.dt
-        assert host_dt > device_dt
+        assert type(host_dt) is float and type(device_dt) is float
         assert np.allclose(c, ref_c), "Faled for {}, {}".formatg(r, lr)