Fix CircleCI unittest environment (#1622)

.circleci/unittest/linux/scripts/install.sh

@@ -56,7 +56,7 @@ fi
 (
     set -x
     conda install -y -c conda-forge ${NUMBA_DEV_CHANNEL} 'librosa>=0.8.0' parameterized 'requests>=2.20'
-    pip install kaldi-io SoundFile coverage pytest pytest-cov scipy transformers
+    pip install kaldi-io SoundFile coverage pytest pytest-cov scipy transformers expecttest
 )
 # Install fairseq
 git clone https://github.com/pytorch/fairseq

.circleci/unittest/windows/scripts/environment.yml

@@ -13,3 +13,4 @@ dependencies:
     - future
     - parameterized
     - dataclasses
+    - expecttest

.circleci/unittest/windows/scripts/install.sh

@@ -44,7 +44,7 @@ fi
 (
     set -x
     conda install -y -c conda-forge ${NUMBA_DEV_CHANNEL} 'librosa>=0.8.0' parameterized 'requests>=2.20'
-    pip install kaldi-io SoundFile coverage pytest pytest-cov scipy transformers
+    pip install kaldi-io SoundFile coverage pytest pytest-cov scipy transformers expecttest
 )
 # Install fairseq
 git clone https://github.com/pytorch/fairseq