* Fix DatagramPacketMessageMapperTests to use assertThatExceptionOfType instead of try..catch

Author: artembilan

spring-integration-ip/src/test/java/org/springframework/integration/ip/udp/DatagramPacketMessageMapperTests.java

@@ -28,7 +28,7 @@
 import org.springframework.messaging.Message;
 
 import static org.assertj.core.api.Assertions.assertThat;
-import static org.assertj.core.api.Assertions.fail;
+import static org.assertj.core.api.Assertions.assertThatExceptionOfType;
 import static org.mockito.Mockito.mock;
 
 /**
@@ -100,13 +100,10 @@ public void testTruncation() {
 		int bigLen = 99999;
 		bb.putInt(bigLen);
 		packet.setSocketAddress(new InetSocketAddress("localhost", 22222));
-		try {
-			mapper.toMessage(packet);
-			fail("Truncated message exception expected");
-		}
-		catch (MessageMappingException e) {
-			assertThat(e.getMessage()).contains("expected " + (bigLen + 4) + ", received " + (test.length() + 4));
-		}
+
+		assertThatExceptionOfType(MessageMappingException.class)
+				.isThrownBy(() -> mapper.toMessage(packet))
+				.withMessageContaining("expected " + (bigLen + 4) + ", received " + (test.length() + 4));
 	}
 
 }