diff --git a/tests/custom_ddb.txt b/tests/custom_ddb.txt
new file mode 100644
index 0000000..c3f2817
--- /dev/null
+++ b/tests/custom_ddb.txt
@@ -0,0 +1,4 @@
+#DEVICE_TYPE,DEVICE_ID,AIRCRAFT_MODEL,REGISTRATION,CN,TRACKED,IDENTIFIED
+'F','DD4711','HK36 TTC','D-EULE','','Y','Y'
+'F','DD0815','Ventus 2cxM','D-1234','','Y','Y'
+'F','DD3141','Arcus T','OE-4321','','Y','Y'
\ No newline at end of file