Fix tf tests

test/tf/tf_test.cpp

@@ -257,8 +257,7 @@ TEST_CASE(mean_test)
     auto l0 = p.add_parameter("0", migraphx::shape{migraphx::shape::float_type, {1, 3, 16, 16}});
     p.add_literal(l);
     p.add_literal(l);
-    migraphx::op::pooling op;
-    op.lengths = {16, 16};
+    migraphx::op::reduce_mean op{{2, 3}};
     p.add_instruction(op, l0);
     auto l3 = p.add_instruction(op, l0);
     p.add_instruction(migraphx::op::squeeze{{2, 3}}, l3);
@@ -272,8 +271,7 @@ TEST_CASE(mean_test_nhwc)
     migraphx::program p;
     migraphx::literal l{migraphx::shape{migraphx::shape::int32_type, {2}}, {1, 2}};
     auto l0 = p.add_parameter("0", migraphx::shape{migraphx::shape::float_type, {1, 3, 16, 16}});
-    migraphx::op::pooling op;
-    op.lengths = {16, 16};
+    migraphx::op::reduce_mean op{{2, 3}};
     auto l3    = p.add_instruction(op, l0);
     p.add_instruction(migraphx::op::squeeze{{2, 3}}, l3);
     auto prog = optimize_tf("mean_test_nhwc.pb", true);