More test fixes for latest SF compatibility

Author: artembilan

spring-integration-mongodb/src/test/java/org/springframework/integration/mongodb/outbound/MongoDbOutboundGatewayTests.java

@@ -98,7 +98,7 @@ public void cleanUp() {
 	public void testNoFactorySpecified() {
 		assertThatIllegalArgumentException()
 				.isThrownBy(() -> new MongoDbOutboundGateway((MongoDatabaseFactory) null))
-				.withStackTraceContaining("MongoDbFactory translator must not be null!");
+				.withStackTraceContaining("MongoDbFactory translator must not be null");
 	}
 
 	@Test

spring-integration-stomp/src/test/java/org/springframework/integration/stomp/outbound/StompMessageHandlerWebSocketIntegrationTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2015-2020 the original author or authors.
+ * Copyright 2015-2022 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -138,7 +138,8 @@ public void testStompMessageHandler() throws InterruptedException {
 		assertThat(cause).isInstanceOf(MessageDeliveryException.class);
 		MessageDeliveryException messageDeliveryException = (MessageDeliveryException) cause;
 		Message<?> failedMessage = messageDeliveryException.getFailedMessage();
-		assertThat((String) failedMessage.getPayload()).contains("preSend intentional Exception");
+		assertThat((String) failedMessage.getPayload())
+				.contains("Failed to send message to ExecutorSubscribableChannel[clientInboundChannel]");
 
 		receive = this.stompEvents.receive(10000);
 		assertThat(receive).isNotNull();