test: add labels and breaks count tests.

js/js.translator/testData/box/inline/inlineImportNameClash.kt

@@ -26,6 +26,8 @@ inline fun foo() {
     baz("BBB", 333)
 }
 
+// CHECK_BREAKS_COUNT: function=box count=0 TARGET_BACKENDS=JS_IR
+// CHECK_LABELS_COUNT: function=box name=$l$block count=0 TARGET_BACKENDS=JS_IR
 fun box(): String {
     bar()
     if (l != "baz(AAA);foo();baz(BBB, 333);") return "fail: $l"