K2: add bytecode listing tests

#KT-57171 Fixed

compiler/testData/codegen/bytecodeListing/specialBridges/signatures/implementsMap.kt

@@ -1,5 +1,8 @@
 // WITH_SIGNATURES
 
+// IGNORE_BACKEND_K2: JVM_IR
+// FIR status: KT-57268 K2: extra methods `remove` and/or `getOrDefault` are generated for Map subclasses with JDK 1.6 in dependencies
+
 interface MapN<K : Number, V> : Map<K, V>
 
 abstract class MapImpl<A, B> : Map<A, B> {
@@ -12,4 +15,4 @@ abstract class MapSImpl<B> : Map<String, B> {
 
 abstract class MapNImpl<A : Number, B> : MapN<A, B> {
     override fun containsKey(key: A): Boolean = false
-}
+}