use new facade classes in run configurations

#KT-9092 Fixed

idea/src/org/jetbrains/kotlin/idea/run/KotlinRunConfigurationProducer.kt

@@ -17,24 +17,19 @@
 package org.jetbrains.kotlin.idea.run
 
 import com.intellij.execution.Location
-import com.intellij.execution.RunnerAndConfigurationSettings
 import com.intellij.execution.actions.ConfigurationContext
 import com.intellij.execution.actions.RunConfigurationProducer
-import com.intellij.execution.junit.RuntimeConfigurationProducer
 import com.intellij.openapi.module.Module
 import com.intellij.openapi.project.DumbService
-import com.intellij.openapi.util.Comparing
 import com.intellij.openapi.util.Ref
-import com.intellij.openapi.util.text.StringUtil
 import com.intellij.psi.PsiElement
 import com.intellij.psi.util.PsiTreeUtil
-import com.intellij.util.NotNullFunction
 import org.jetbrains.kotlin.descriptors.FunctionDescriptor
+import org.jetbrains.kotlin.fileClasses.JvmFileClassUtil
 import org.jetbrains.kotlin.idea.MainFunctionDetector
 import org.jetbrains.kotlin.idea.caches.resolve.getResolutionFacade
 import org.jetbrains.kotlin.idea.project.ProjectStructureUtil
 import org.jetbrains.kotlin.idea.util.ProjectRootsUtil
-import org.jetbrains.kotlin.load.kotlin.PackageClassUtils
 import org.jetbrains.kotlin.name.FqName
 import org.jetbrains.kotlin.psi.*
 import org.jetbrains.kotlin.psi.psiUtil.getParentOfType
@@ -104,7 +99,7 @@ public class KotlinRunConfigurationProducer : RunConfigurationProducer<JetRunCon
 
         public fun getStartClassFqName(container: JetDeclarationContainer?): FqName? = when(container) {
             null -> null
-            is JetFile -> PackageClassUtils.getPackageClassFqName(container.getPackageFqName())
+            is JetFile -> JvmFileClassUtil.getFileClassInfoNoResolve(container).facadeClassFqName
             is JetClassOrObject -> {
                 if (container is JetObjectDeclaration && container.isCompanion()) {
                     val containerClass = container.getParentOfType<JetClass>(true)

idea/testData/run/ClassesAndObjects/module/src/test.kt

@@ -28,9 +28,9 @@ object Foo {
     }
 }
 
-// RUN: q.QPackage
+// RUN: q.TestKt
 object Foo2 {
-    // RUN: q.QPackage
+    // RUN: q.TestKt
     fun main(s: Array<String>) {
         println("Foo2")
     }
@@ -46,33 +46,33 @@ class Bar {
     }
 }
 
-// RUN: q.QPackage
+// RUN: q.TestKt
 class Bar2 {
     companion object {
-        // RUN: q.QPackage
+        // RUN: q.TestKt
         fun main(s: Array<String>) {
             println("Bar2")
         }
     }
 }
 
-// RUN: q.QPackage
+// RUN: q.TestKt
 class Baz {
-    // RUN: q.QPackage
+    // RUN: q.TestKt
     platformStatic fun main(s: Array<String>) {
         println("Baz")
     }
 }
 
-// RUN: q.QPackage
+// RUN: q.TestKt
 class Baz2 {
-    // RUN: q.QPackage
+    // RUN: q.TestKt
     fun main(s: Array<String>) {
         println("Baz2")
     }
 }
 
-// RUN: q.QPackage
+// RUN: q.TestKt
 fun main(s: Array<String>) {
     println("Top-level")
 }