[Test] Move KotlinAgainstKotlin tests under BlackBoxCodegen tests

compiler/testData/codegen/box/compileKotlinAgainstKotlin/optionalAnnotation.kt

@@ -0,0 +1,43 @@
+// IGNORE_BACKEND_FIR: JVM_IR
+// !LANGUAGE: +MultiPlatformProjects
+// !USE_EXPERIMENTAL: kotlin.ExperimentalMultiplatform
+// TARGET_BACKEND: JVM
+// FULL_JDK
+// MODULE: lib
+// FILE: A.kt
+package a
+
+@OptionalExpectation
+expect annotation class A(val x: Int)
+
+@OptionalExpectation
+expect annotation class B(val s: String)
+
+actual annotation class A(actual val x: Int)
+
+// MODULE: main(lib)
+// FILE: B.kt
+
+@file:Suppress("OPTIONAL_DECLARATION_USAGE_IN_NON_COMMON_SOURCE") // TODO: support common sources in the test infrastructure
+
+import a.A
+import a.B
+import java.lang.reflect.Modifier
+
+class Test {
+    @A(42)
+    @B("OK")
+    fun test() {}
+}
+
+fun box(): String {
+    val annotations = Test::class.java.declaredMethods.single().annotations.toList()
+    if (annotations.toString() != "[@a.A(x=42)]") return "Fail 1: $annotations"
+
+    try {
+        Class.forName("a.B")
+        return "Fail 2: there should be no class file for a.B"
+    } catch (e: ClassNotFoundException) {
+        return "OK"
+    }
+}