Fixed OpenCL test case

lbmpy_tests/test_boundary_handling.py

@@ -20,11 +20,11 @@ def test_simple(target):
         import pystencils.opencl.autoinit
 
     dh = create_data_handling((4, 4), parallel=False, default_target=target)
-    dh.add_array('pdfs', values_per_cell=9, cpu=True, gpu=target!='cpu')
+    dh.add_array('pdfs', values_per_cell=9, cpu=True, gpu=target != 'cpu')
     for i in range(9):
         dh.fill("pdfs", i, value_idx=i, ghost_layers=True)
 
-    if target == 'gpu':
+    if target == 'gpu' or target == 'opencl':
         dh.all_to_gpu()
 
     lb_func = create_lb_function(stencil='D2Q9',
@@ -44,7 +44,7 @@ def test_simple(target):
     bh.prepare()
     bh()
 
-    if target == 'gpu':
+    if target == 'gpu' or target == 'opencl':
         dh.all_to_cpu()
     # left lower corner
     assert (dh.cpu_arrays['pdfs'][0, 0, 6] == 7)