Polish "Make layout parameter available as a user property"

See gh-17277

Author: snicoll

spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/repackage-layout-property/invoker.properties renamed to spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar-with-layout-property/invoker.properties

@@ -3,7 +3,7 @@
 	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.springframework.boot.maven.it</groupId>
-	<artifactId>repackage-layout-default</artifactId>
+	<artifactId>jar-with-layout-property</artifactId>
 	<version>0.0.1.BUILD-SNAPSHOT</version>
 	<properties>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>

spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/repackage-layout-default/pom.xml renamed to spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/it/jar-with-layout-property/pom.xml

@@ -15,4 +15,5 @@ assertTrue 'main artifact should have been installed',
 		file.text.contains ("Installing " + main + " to")
 assertFalse 'backup artifact should not have been installed',
 		file.text.contains ("Installing " + backup + "to")
+assertFalse file.text.contains("Layout:")