[Test] KT-61360: add tests for the IrFakeOverrideBuilder

Add tests for fake overrides with focus on java interoperability

Co-authored-by: Aleksandra Arsenteva <aleksandra.arsenteva@jetbrains.com>

compiler/testData/ir/irText/fakeOverrides/collections/set/intersectionSetOverrideKJK.kt

@@ -0,0 +1,42 @@
+// TARGET_BACKEND: JVM
+// FULL_JDK
+// WITH_STDLIB
+
+// FILE: 1.kt
+import java.util.*
+import kotlin.collections.HashSet
+
+abstract class A : SortedSet<Any>, HashSet<Any>() {
+    override fun spliterator(): Spliterator<Any> {
+        return null!!
+    }
+}
+
+abstract class B : SortedSet<Any>, HashSet<Any>() {
+    override fun spliterator(): Spliterator<Any> {
+        return null!!
+    }
+
+    override val size: Int
+        get() = 5
+
+    override fun remove(element: Any): Boolean {
+        return true
+    }
+}
+
+fun test(a: A, b: B) {
+    a.size
+    a.add(1)
+    a.add(null)
+    a.first()
+    a.remove(1)
+    a.removeAll(listOf(null))
+
+    b.size
+    b.add(1)
+    b.add(null)
+    b.first()
+    b.remove(1)
+    b.removeAll(listOf(null))
+}