enable failing tests

[andrewstanfordjason]

These test have been disabled on the CI for various reasons, they need investigating and fixing.

RUN_TEST(test_avgpool2d_case1);

CALL(test_nn_conv2d_hstrip_deep_padded);
CALL(test_nn_conv2d_hstrip_deep);
CALL(test_nn_conv2d_hstrip_tail_deep_padded);
CALL(test_nn_conv2d_hstrip_tail_deep);

CALL(test_nn_conv2d_hstrip_shallowin_padded);
CALL(test_nn_conv2d_hstrip_shallowin);
CALL(test_nn_conv2d_hstrip_tail_shallowin_padded);
CALL(test_nn_conv2d_hstrip_tail_shallowin);

CALL(test_conv2d_deep);
CALL(test_conv2d_shallowin);
CALL(test_conv2d_im2col);
CALL(test_conv2d_1x1);
CALL(test_conv2d_depthwise);
CALL(test_fully_connected_16);
CALL(test_fully_connected_8);

RUN_TEST(test_bconv2d_int8_directed);
RUN_TEST(test_bconv2d_int8_directed2);
RUN_TEST(test_bconv2d_int8_directed3);
RUN_TEST(test_bconv2d_int8_directed4);