Fix SF-4.3.3 Compatibility

https://build.spring.io/browse/INT-B43-JOB1-274

build.gradle

@@ -137,7 +137,7 @@ subprojects { subproject ->
 		springSecurityVersion = '4.1.0.RELEASE'
 		springSocialTwitterVersion = '1.1.2.RELEASE'
 		springRetryVersion = '1.1.2.RELEASE'
-		springVersion = project.hasProperty('springVersion') ? project.springVersion : '4.3.1.RELEASE'
+		springVersion = project.hasProperty('springVersion') ? project.springVersion : '4.3.2.RELEASE'
 		springWsVersion = '2.3.0.RELEASE'
 		xmlUnitVersion = '1.6'
 		xstreamVersion = '1.4.7'

spring-integration-core/src/test/java/org/springframework/integration/aggregator/integration/AggregatorIntegrationTests.java

@@ -242,7 +242,7 @@ public class AggregatorIntegrationTests {
 			this.zeroGroupTimeoutExpressionAggregatorInput.send(new GenericMessage<Integer>(1, stubHeaders(1, 2, 1)));
 			ErrorMessage em = (ErrorMessage) this.errors.receive(10000);
 			assertNotNull(em);
-			assertThat(em.getPayload().getMessage(),
+			assertThat(em.getPayload().getMessage().toLowerCase(),
 					containsString("failed to send message to channel 'output' within timeout: 10"));
 		}
 		finally {

spring-integration-core/src/test/java/org/springframework/integration/transformer/ContentEnricherTests.java

@@ -17,6 +17,7 @@
 package org.springframework.integration.transformer;
 
 import static org.hamcrest.Matchers.containsString;
+import static org.hamcrest.Matchers.equalToIgnoringCase;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertNotSame;
@@ -180,8 +181,8 @@ public class ContentEnricherTests {
 			enricher.handleMessage(requestMessage);
 		}
 		catch (MessageDeliveryException e) {
-			assertEquals("failed to send message to channel '" + requestChannelName
-					+ "' within timeout: " + requestTimeout, e.getMessage());
+			assertThat(e.getMessage(), equalToIgnoringCase("failed to send message to channel '" + requestChannelName
+					+ "' within timeout: " + requestTimeout));
 		}
 
 	}