Update .travis.yml

.travis.yml

@@ -39,7 +39,7 @@ matrix:
         - conda init
         - #conda create condas
         - conda activate #condas
-        - conda install -y astunparse numpy ninja pyyaml setuptools cmake cffi typing_extensions future six requests dataclasses hypothesis
+        - conda install -y astunparse numpy ninja pyyaml setuptools cmake cffi typing_extensions future six requests dataclasses hypothesis expecttest
         - conda install -y pytorch
         - git clone --recursive https://github.com/pytorch/pytorch
         - #export CMAKE_PREFIX_PATH=${CONDA_PREFIX:-"$(dirname $(which conda))/../"}