Once more fix scripted test

Author: mkurz

src/sbt-test/sbt-maven/simple/build.sbt

@@ -4,6 +4,8 @@ lazy val root = project
   .in(file("."))
   .enablePlugins(SbtMavenPlugin)
   .settings(
+    // Classic target layout so scripted checks keep working on sbt 2.
+    target                := baseDirectory.value / "target",
     crossPaths            := false,
     autoScalaLibrary      := false,
     organization          := "com.example",