disabled RNN test to workaround RNN unit test failure on MAC due to bug in…

disabled RNN test to workaround RNN unit test failure on MAC due to bug in MKLDNN scratchpad creation (#1502)

test/cpu_fusion.cpp

@@ -1737,6 +1737,8 @@ TEST(cpu_fusion, group_convolution)
     ASSERT_EQ(rv, erv);
 }
 
+//TODO(Pruthvi) enable this test after MKLDNN RNN bug is fixed
+#if 0
 TEST(cpu_fusion, rnn_fprop_1_lstm_cell)
 {
     auto src_layer = make_shared<op::Parameter>(element::f32, Shape{10, 100});
@@ -1814,6 +1816,7 @@ TEST(cpu_fusion, rnn_fprop_1_lstm_cell)
     EXPECT_TRUE(test::all_close(expected_ht, read_vector<float>(result_ht)));
     EXPECT_TRUE(test::all_close(expected_ct, read_vector<float>(result_ct)));
 }
+#endif
 
 TEST(cpu_fusion, fuse_lstm_cells)
 {