[Test] Set JVM target backend for load compiled tests which use JDK classes

compiler/testData/loadJava/compiledKotlin/prop/defaultAccessors/ClassVarModality.kt

@@ -1,3 +1,4 @@
+// TARGET_BACKEND: JVM
 package test
 
 open class ClassVarModality() {
@@ -14,4 +15,4 @@ open class ClassVarModality() {
 abstract class ClassVarModalityAbstract {
     abstract var property1 : java.util.Date
       public set
-}
+}