[Test] Move KotlinAgainstKotlin tests under BlackBoxCodegen tests

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

@@ -0,0 +1,33 @@
+// MODULE: lib
+// FILE: A.kt
+
+package test
+
+interface CodeBlock {
+    fun foo(): String
+}
+
+interface CompositeCodeBlock: CodeBlock {
+    override fun foo(): String {
+        return "OK"
+    }
+}
+
+interface ForLoopBody : CodeBlock
+
+abstract class CodeBlockBase: CompositeCodeBlock
+
+abstract class LineSeparatedCodeBlock: CodeBlockBase()
+
+// MODULE: main(lib)
+// FILE: B.kt
+
+import test.*
+
+open class KotlinCodeBlock: LineSeparatedCodeBlock()
+
+class KotlinForLoopBody : KotlinCodeBlock(), ForLoopBody
+
+fun box(): String {
+    return KotlinForLoopBody().foo()
+}