diff --git a/.circleci/config.in.yml b/.circleci/config.in.yml
index 043cfcd5..69ce1fc4 100644
--- a/.circleci/config.in.yml
+++ b/.circleci/config.in.yml
@@ -81,7 +81,7 @@ jobs:
           command: |
             export LD_LIBRARY_PATH=$LD_LIBARY_PATH:/usr/local/cuda-11.3/lib64
             python3 setup.py build_ext --inplace
-      - run: LD_LIBRARY_PATH=$LD_LIBARY_PATH:/usr/local/cuda-11.3/lib64 python -m unittest discover -v -s tests
+      - run: LD_LIBRARY_PATH=$LD_LIBARY_PATH:/usr/local/cuda-11.3/lib64 python -m unittest discover -v -s tests -t .
       - run: python3 setup.py bdist_wheel
 
   binary_linux_wheel:
diff --git a/.circleci/config.yml b/.circleci/config.yml
index eda1bcaa..20819cd4 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -81,7 +81,7 @@ jobs:
           command: |
             export LD_LIBRARY_PATH=$LD_LIBARY_PATH:/usr/local/cuda-11.3/lib64
             python3 setup.py build_ext --inplace
-      - run: LD_LIBRARY_PATH=$LD_LIBARY_PATH:/usr/local/cuda-11.3/lib64 python -m unittest discover -v -s tests
+      - run: LD_LIBRARY_PATH=$LD_LIBARY_PATH:/usr/local/cuda-11.3/lib64 python -m unittest discover -v -s tests -t .
       - run: python3 setup.py bdist_wheel
 
   binary_linux_wheel:
diff --git a/INSTALL.md b/INSTALL.md
index a1aa6d87..f6620514 100644
--- a/INSTALL.md
+++ b/INSTALL.md
@@ -147,10 +147,10 @@ After any necessary patching, you can go to "x64 Native Tools Command Prompt for
 cd pytorch3d
 python3 setup.py install
 ```
-After installing, verify whether all unit tests have passed
+
+After installing, you can run **unit tests**
 ```
-cd tests
-python3 -m unittest discover -p *.py
+python3 -m unittest discover -v -s tests -t .
 ```
 
 # FAQ
diff --git a/packaging/pytorch3d/meta.yaml b/packaging/pytorch3d/meta.yaml
index 202f83ef..c8a61c78 100644
--- a/packaging/pytorch3d/meta.yaml
+++ b/packaging/pytorch3d/meta.yaml
@@ -47,7 +47,7 @@ test:
     - imageio
   commands:
     #pytest .
-    python -m unittest discover -v -s tests
+    python -m unittest discover -v -s tests -t .
 
 
 about:
diff --git a/tests/implicitron/test_data_source.py b/tests/implicitron/test_data_source.py
index bf41f693..4d664495 100644
--- a/tests/implicitron/test_data_source.py
+++ b/tests/implicitron/test_data_source.py
@@ -4,6 +4,7 @@
 # This source code is licensed under the BSD-style license found in the
 # LICENSE file in the root directory of this source tree.
 
+import os
 import unittest
 
 from omegaconf import OmegaConf
@@ -20,8 +21,9 @@ class TestDataSource(unittest.TestCase):
         self.maxDiff = None
 
     def test_one(self):
-        cfg = get_default_args(ImplicitronDataSource)
-        yaml = OmegaConf.to_yaml(cfg, sort_keys=False)
-        if DEBUG:
-            (DATA_DIR / "data_source.yaml").write_text(yaml)
-        self.assertEqual(yaml, (DATA_DIR / "data_source.yaml").read_text())
+        with unittest.mock.patch.dict(os.environ, {"CO3D_DATASET_ROOT": ""}):
+            cfg = get_default_args(ImplicitronDataSource)
+            yaml = OmegaConf.to_yaml(cfg, sort_keys=False)
+            if DEBUG:
+                (DATA_DIR / "data_source.yaml").write_text(yaml)
+            self.assertEqual(yaml, (DATA_DIR / "data_source.yaml").read_text())