diff --git a/spring-ai-client-chat/src/test/java/org/springframework/ai/chat/client/observation/ChatClientCompletionObservationHandlerTests.java b/spring-ai-client-chat/src/test/java/org/springframework/ai/chat/client/observation/ChatClientCompletionObservationHandlerTests.java
index eb93dc1bfc2..a5dc5768e13 100644
--- a/spring-ai-client-chat/src/test/java/org/springframework/ai/chat/client/observation/ChatClientCompletionObservationHandlerTests.java
+++ b/spring-ai-client-chat/src/test/java/org/springframework/ai/chat/client/observation/ChatClientCompletionObservationHandlerTests.java
@@ -70,8 +70,7 @@ void whenEmptyResponseThenOutputNothing(CapturedOutput output) {
 		this.observationHandler.onStop(context);
 		assertThat(output).contains("""
 				INFO  o.s.a.c.c.o.ChatClientCompletionObservationHandler -- Chat Client Completion:
-				[]
-				""");
+				[]""");
 	}
 
 	@Test
@@ -83,8 +82,7 @@ void whenNullResponseThenOutputNothing(CapturedOutput output) {
 		this.observationHandler.onStop(context);
 		assertThat(output).contains("""
 				INFO  o.s.a.c.c.o.ChatClientCompletionObservationHandler -- Chat Client Completion:
-				[]
-				""");
+				[]""");
 	}
 
 	@Test
@@ -102,8 +100,7 @@ void whenResponseWithTextThenOutputIt(CapturedOutput output) {
 		this.observationHandler.onStop(context);
 		assertThat(output).contains("""
 				INFO  o.s.a.c.c.o.ChatClientCompletionObservationHandler -- Chat Client Completion:
-				["Test message"]
-				""");
+				["Test message"]""");
 	}
 
 }
diff --git a/spring-ai-client-chat/src/test/java/org/springframework/ai/chat/client/observation/ChatClientPromptContentObservationHandlerTests.java b/spring-ai-client-chat/src/test/java/org/springframework/ai/chat/client/observation/ChatClientPromptContentObservationHandlerTests.java
index aafd764488d..80ce5bf6804 100644
--- a/spring-ai-client-chat/src/test/java/org/springframework/ai/chat/client/observation/ChatClientPromptContentObservationHandlerTests.java
+++ b/spring-ai-client-chat/src/test/java/org/springframework/ai/chat/client/observation/ChatClientPromptContentObservationHandlerTests.java
@@ -64,8 +64,7 @@ void whenEmptyPromptThenOutputNothing(CapturedOutput output) {
 		this.observationHandler.onStop(context);
 		assertThat(output).contains("""
 				INFO  o.s.a.c.c.o.ChatClientPromptContentObservationHandler -- Chat Client Prompt Content:
-				[]
-				""");
+				[]""");
 	}
 
 	@Test
@@ -76,8 +75,7 @@ void whenPromptWithTextThenOutputIt(CapturedOutput output) {
 		this.observationHandler.onStop(context);
 		assertThat(output).contains("""
 				INFO  o.s.a.c.c.o.ChatClientPromptContentObservationHandler -- Chat Client Prompt Content:
-				["user":"supercalifragilisticexpialidocious"]
-				""");
+				["user":"supercalifragilisticexpialidocious"]""");
 	}
 
 	@Test
@@ -91,8 +89,7 @@ void whenPromptWithMessagesThenOutputIt(CapturedOutput output) {
 		this.observationHandler.onStop(context);
 		assertThat(output).contains("""
 				INFO  o.s.a.c.c.o.ChatClientPromptContentObservationHandler -- Chat Client Prompt Content:
-				["system":"you're a chimney sweep", "user":"supercalifragilisticexpialidocious"]
-				""");
+				["system":"you're a chimney sweep", "user":"supercalifragilisticexpialidocious"]""");
 	}
 
 }