diff --git a/tests/fixtures/sample.env b/tests/fixtures/sample.env
new file mode 100644
index 0000000..65bf504
--- /dev/null
+++ b/tests/fixtures/sample.env
@@ -0,0 +1,7 @@
+# Sample environment file
+NODE_ENV=development
+PORT=3000
+DATABASE_URL=postgres://user:pass@localhost:5432/mydb
+API_KEY=abc123
+DEBUG=true
+OPTIONAL_VAR=optional_value