[Tests] Add missing marker and clean up topk test

tests/fpgadataflow/test_fpgadataflow_concat.py

@@ -72,6 +72,7 @@ def make_concat_model(i_shapes, idt):
 
 @pytest.mark.parametrize("exec_mode", ["cppsim", "rtlsim"])
 @pytest.mark.parametrize("idt", [DataType["INT4"]])
+@pytest.mark.fpgadataflow
 @pytest.mark.vivado
 @pytest.mark.slow
 def test_fpgadataflow_concat(exec_mode, idt):
@@ -107,6 +108,7 @@ def test_fpgadataflow_concat(exec_mode, idt):
     assert (exp_out == ret_sim[oname]).all()
 
 
+@pytest.mark.fpgadataflow
 @pytest.mark.vivado
 @pytest.mark.slow
 def test_fpgadataflow_concat_stitchedip():

tests/transformation/streamline/test_move_flatten_past_topk.py

@@ -47,7 +47,7 @@ from finn.transformation.streamline.reorder import MoveFlattenPastTopK
 @pytest.mark.parametrize("data_layout", [DataLayout.NHWC, DataLayout.NCHW])
 # batch size
 @pytest.mark.parametrize("batch_size", [1, 2])
-def test_move_flatten_past_affine(data_layout, batch_size):
+def test_move_flatten_past_topk(data_layout, batch_size):
     if data_layout == DataLayout.NHWC:
         ishape = [batch_size, 1, 1, 1024]
         oshape = [batch_size, 1024]