Validate compile in multi-jvm (#26400)

* New validateCompile task for multi jvm to run in travis

project/MultiNode.scala

@@ -15,6 +15,11 @@ import org.scalafmt.sbt.ScalafmtPlugin.scalafmtConfigSettings
 
 object MultiNode extends AutoPlugin {
 
+  object autoImport {
+    val validateCompile = taskKey[Unit]("Validates compile for any project it is enabled")
+  }
+  import autoImport._
+
   // MultiJvm tests can be excluded from normal test target an validatePullRequest
   // with -Dakka.test.multi-in-test=false
   val multiNodeTestInTest: Boolean =
@@ -55,6 +60,10 @@ object MultiNode extends AutoPlugin {
     "-Xmx256m" :: akkaProperties ::: CliOptions.sbtLogNoFormat.ifTrue("-Dakka.test.nocolor=true").toList
   }
 
+  private val anyConfigsInThisProject = ScopeFilter(
+    configurations = inAnyConfiguration
+  )
+
   private val multiJvmSettings =
     SbtMultiJvm.multiJvmSettings ++
       inConfig(MultiJvm)(scalafmtConfigSettings) ++
@@ -99,8 +108,7 @@ object MultiNode extends AutoPlugin {
       (headerCreate in MultiJvm).value
       (compile in MultiJvm).value
     }) ++ headerSettings(MultiJvm) ++ Seq(
-      // only works if I put it here ¯\_(ツ)_/¯
-      compile in MultiJvm := ((compile in MultiJvm).triggeredBy(compile in Test)).value
+      validateCompile := compile.?.all(anyConfigsInThisProject).value
     )