Specify target backend as JVM for SAM tests; mute other failed tests and regenerate tests.

compiler/testData/codegen/box/sam/constructors/nonLiteralRunnable.kt

@@ -1,3 +1,5 @@
+// TARGET_BACKEND: JVM
+
 fun box(): String {
     var result = "FAIL"
     val f = { result = "OK" }

compiler/testData/codegen/box/sam/constructors/nonTrivialRunnable.kt

@@ -1,3 +1,5 @@
+// TARGET_BACKEND: JVM
+
 var result = "FAIL"
 
 fun getFun(): () -> Unit {

compiler/testData/codegen/box/sam/constructors/runnable.kt

@@ -1,3 +1,5 @@
+// TARGET_BACKEND: JVM
+
 var result = "FAIL"
 
 fun box(): String {

compiler/testData/codegen/box/sam/constructors/runnableAccessingClosure1.kt

@@ -1,3 +1,5 @@
+// TARGET_BACKEND: JVM
+
 fun box(): String {
     val o = "O"
     var result = ""

compiler/testData/codegen/box/sam/constructors/runnableAccessingClosure2.kt

@@ -1,3 +1,5 @@
+// TARGET_BACKEND: JVM
+
 class Box(val s: String) {
     fun extract(): String {
         var result = ""

compiler/testData/codegen/box/sam/constructors/syntheticVsReal.kt

@@ -1,3 +1,5 @@
+// TARGET_BACKEND: JVM
+
 var global = ""
 
 fun Runnable(f: () -> Unit) = object : Runnable {