Onnx test fixes: corrected op name and restored the abs instruction mistakenly...

Onnx test fixes: corrected op name and restored the abs instruction mistakenly removed from reduce_L1 test file

test/onnx/gen_onnx.py

@@ -4629,7 +4629,7 @@ def reducel1_dyn_test():
     y = helper.make_tensor_value_info('y', TensorProto.FLOAT, [None])
     axes = [-2]
 
-    node = onnx.helper.make_node('ReduceL1_dyn',
+    node = onnx.helper.make_node('ReduceL1',
                                  inputs=['x'],
                                  outputs=['y'],
                                  axes=axes,

test/onnx/onnx_test.cpp

@@ -4431,7 +4431,8 @@ TEST_CASE(reducel1_dyn_test)
     auto l0 = mm->add_parameter(
         "x",
         migraphx::shape{migraphx::shape::float_type, {{3, 3, 0}, {3, 5, 0}, {4, 6, 5}, {5, 7, 6}}});
-    auto sum_l0 = mm->add_instruction(migraphx::make_op("reduce_sum", {{"axes", {-2}}}), l0);
+    auto abs_l0 = mm->add_instruction(migraphx::make_op("abs"), l0);
+    auto sum_l0 = mm->add_instruction(migraphx::make_op("reduce_sum", {{"axes", {-2}}}), abs_l0);
     auto sq_l0  = mm->add_instruction(migraphx::make_op("squeeze", {{"axes", {-2}}}), sum_l0);
     mm->add_return({sq_l0});