[Serialization] Implement serialization checker for K2 version of plugin

^KT-53178 Fixed

plugins/kotlinx-serialization/testData/diagnostics/InheritableInfo.kt

@@ -1,25 +1,24 @@
 // FIR_IDENTICAL
 // WITH_STDLIB
 // SKIP_TXT
-// !USE_EXPERIMENTAL: kotlinx.serialization.ExperimentalSerializationApi
+// USE_EXPERIMENTAL: kotlinx.serialization.ExperimentalSerializationApi
 // FILE: test.kt
 
 import kotlinx.serialization.*
 import kotlin.reflect.KClass
 
-// TODO: for this test to work, runtime dependency should be updated to (yet unreleased) serialization 1.3.0
-//@InheritableSerialInfo
+@InheritableSerialInfo
 annotation class I(val value: String)
 
 enum class E { A, B }
 
-//@InheritableSerialInfo
+@InheritableSerialInfo
 annotation class I2(val e: E, val k: KClass<*>)
 
 @Serializable
 @I("a")
 sealed class Result {
-//    @I("b")
+    <!INCONSISTENT_INHERITABLE_SERIALINFO!>@I("b")<!>
     @Serializable class OK(val s: String): Result()
 }
 
@@ -35,15 +34,15 @@ open class Correct: A()
 
 @Serializable
 @I("a")
-//@I2(E.B, E::class)
+<!INCONSISTENT_INHERITABLE_SERIALINFO!>@I2(E.B, E::class)<!>
 open class B: A()
 
 @Serializable
 @I("a")
-//@I2(E.A, I::class)
+<!INCONSISTENT_INHERITABLE_SERIALINFO!>@I2(E.A, I::class)<!>
 open class B2: A()
 
 @Serializable
-//@I("b")
-//@I2(E.A, E::class)
+<!INCONSISTENT_INHERITABLE_SERIALINFO!>@I("b")<!>
+<!INCONSISTENT_INHERITABLE_SERIALINFO!>@I2(E.A, E::class)<!>
 open class C: B()