diff --git a/tests/at_functional_test/test/testData/cert.pem b/tests/at_functional_test/test/testData/cert.pem
index e2d9d5f5c..977346257 100644
--- a/tests/at_functional_test/test/testData/cert.pem
+++ b/tests/at_functional_test/test/testData/cert.pem
@@ -1,29 +1,29 @@
 -----BEGIN CERTIFICATE-----
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 -----END CERTIFICATE-----