diff --git a/.coveragerc b/.coveragerc
index 8ade81af9..40692fe48 100644
--- a/.coveragerc
+++ b/.coveragerc
@@ -1,4 +1,6 @@
-[run]
-omit = 
+[report]
+omit =
     baybe/utils/plotting.py
+    baybe/utils/random.py
+    baybe/utils/botorch_wrapper.py
     baybe/simulation/*
\ No newline at end of file
diff --git a/tests/docs/test_examples.py b/tests/docs/test_examples.py
index e73e49e7d..ad24d1a18 100644
--- a/tests/docs/test_examples.py
+++ b/tests/docs/test_examples.py
@@ -1,7 +1,7 @@
 """Test if all examples can be run without error."""
 
 import os
-import runpy
+import subprocess
 from pathlib import Path
 
 import pytest
@@ -22,8 +22,13 @@
 )
 @pytest.mark.parametrize("example", paths, ids=paths)
 def test_example(example: str):
-    """Test an individual example by running it."""
-    runpy.run_path(example)
+    """Test an individual example by running it.
+
+    This runs in a separate process and isolated environment due to problems caused by
+    monkeypatching in some examples affecting other tests if they were executed in the
+    same environment.
+    """
+    subprocess.run(["python", example], check=True)
 
 
 if _SMOKE_TEST_CACHE is not None: