eanble dtype check by default for test

Author: nbcsm

tests/backend_test_base.py

@@ -93,7 +93,7 @@ def _run_backend(self, g, outputs, input_dict):
 
     def run_test_case(self, feed_dict, input_names_with_port, output_names_with_port, rtol=1e-07, atol=0.,
                       convert_var_to_const=True, constant_fold=True, check_value=True, check_shape=False,
-                      check_dtype=False, process_args=None, onnx_feed_dict=None):
+                      check_dtype=True, process_args=None, onnx_feed_dict=None):
         # optional - passed to process_tf_graph
         if process_args is None:
             process_args = {}