Merge branch '4.1.x' into 4.2.x

Author: ryanjbaxter

spring-cloud-build-tools/src/main/resources/checkstyle.xml

@@ -167,7 +167,7 @@
 		<module name="com.puppycrawl.tools.checkstyle.checks.regexp.RegexpSinglelineJavaCheck">
 			<property name="maximum" value="0"/>
 			<property name="format"
-					  value="org\.junit\.(Assert|jupiter\.api\.Assertions)\.assert"/>
+					  value="org\.junit\.(Assert|jupiter\.api\.Assertions)"/>
 			<property name="message"
 					  value="Please use AssertJ imports."/>
 			<property name="ignoreComments" value="true"/>