diff --git a/environment.yml b/environment.yml
index 2c75437..8cae8e4 100644
--- a/environment.yml
+++ b/environment.yml
@@ -17,7 +17,7 @@ dependencies:
   - libkml
   - geopandas
   - joblib
-  - conda-forge::poppler
+  - poppler
   - conda-forge::lastools
   - pip:
       - laspy
diff --git a/pyfortest/data/mock_collection/0.lax b/pyfortest/data/mock_collection/0.lax
index f3b6890..62f7775 100644
Binary files a/pyfortest/data/mock_collection/0.lax and b/pyfortest/data/mock_collection/0.lax differ
diff --git a/pyfortest/data/mock_collection/1.lax b/pyfortest/data/mock_collection/1.lax
index 6094654..b980230 100644
Binary files a/pyfortest/data/mock_collection/1.lax and b/pyfortest/data/mock_collection/1.lax differ
diff --git a/pyfortest/data/mock_collection/2.lax b/pyfortest/data/mock_collection/2.lax
index 77070b1..e3108d3 100644
Binary files a/pyfortest/data/mock_collection/2.lax and b/pyfortest/data/mock_collection/2.lax differ
diff --git a/pyfortest/data/mock_collection/3.lax b/pyfortest/data/mock_collection/3.lax
index d99239b..ccd6d91 100644
Binary files a/pyfortest/data/mock_collection/3.lax and b/pyfortest/data/mock_collection/3.lax differ
diff --git a/pyfortest/test_collection.py b/pyfortest/test_collection.py
index 758b7b9..d78777b 100644
--- a/pyfortest/test_collection.py
+++ b/pyfortest/test_collection.py
@@ -11,7 +11,6 @@ def test_buffered_func(pc, tile):
 def test_byfile_func(las_path):
     print(cloud.Cloud(las_path))
 
-
 def make_test_collection():
     """
     Splits the testing tile into 4 tiles to use for testing
@@ -39,7 +38,6 @@ def make_test_collection():
 
 class CollectionTestCase(unittest.TestCase):
     def setUp(self):
-        make_test_collection()
         self.test_col = collection.from_dir(os.path.join(data_dir, 'mock_collection'))
 
     def test_create_index(self):