diff --git a/rule-engine/rule-engine-components/src/test/java/org/thingsboard/rule/engine/credentials/CertPemCredentialsTest.java b/rule-engine/rule-engine-components/src/test/java/org/thingsboard/rule/engine/credentials/CertPemCredentialsTest.java
index e8126cade5..132b60554b 100644
--- a/rule-engine/rule-engine-components/src/test/java/org/thingsboard/rule/engine/credentials/CertPemCredentialsTest.java
+++ b/rule-engine/rule-engine-components/src/test/java/org/thingsboard/rule/engine/credentials/CertPemCredentialsTest.java
@@ -55,4 +55,4 @@ public class CertPemCredentialsTest {
         File file = new File(classLoader.getResource(fileName).getFile());
         return FileUtils.readFileToString(file, "UTF-8");
     }
-}
\ No newline at end of file
+}
diff --git a/rule-engine/rule-engine-components/src/test/resources/pem/tb-cloud.pem b/rule-engine/rule-engine-components/src/test/resources/pem/tb-cloud.pem
index d75be0bf10..8aba29c995 100644
--- a/rule-engine/rule-engine-components/src/test/resources/pem/tb-cloud.pem
+++ b/rule-engine/rule-engine-components/src/test/resources/pem/tb-cloud.pem
@@ -29,4 +29,4 @@ MEYCIQDReSpJPzADl/fBdCvyZwWu3Ubi6y0h/S4i7RIjf5L5pAIhAJ1oUmNmRWQL
 1U3HAqz2V8ckH/rgA0BR+CkGBigt3dfwMAoGCCqGSM49BAMCA0gAMEUCID0Wv3hJ
 GyO4kxlCsA/Kruzew8Wr/0k84csyaCo0k16kAiEAtAobCIzx/PIDWU2rX5elBNiR
 13sr0/ED+2PUom2dnfg=
------END CERTIFICATE-----
\ No newline at end of file
+-----END CERTIFICATE-----