[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/visibility/intersectionWithPublishedApiOverride.kt

@@ -0,0 +1,68 @@
+// TARGET_BACKEND: JVM
+// SEPARATE_SIGNATURE_DUMP_FOR_K2
+// ^ ISSUE: KT-63381
+
+// MODULE: separate
+// FILE: KotlinInternalSeparate.kt
+open class KotlinInternalSeparate {
+    @PublishedApi
+    internal open val a : Int
+        get() = 1
+    @PublishedApi
+    internal open fun foo() {}
+}
+
+// MODULE: main(separate)
+// FILE: JavaDefault.java
+public interface JavaDefault {
+    int a = 2;
+    void foo();
+}
+
+// FILE: JavaPublic.java
+public interface JavaPublic {
+    public int a = 2;
+    public void foo();
+}
+
+// FILE: test.kt
+open class InternalVisibility {
+    @PublishedApi
+    internal open val a: Int = 4
+    @PublishedApi
+    internal open fun foo() {}
+}
+
+class A : JavaDefault, InternalVisibility() {
+    override fun foo() {}
+    override val a: Int
+        get() = 10
+}
+
+class B : JavaPublic, InternalVisibility() {
+    override fun foo() {}
+    override val a: Int
+        get() = 10
+}
+
+abstract class C : JavaDefault, KotlinInternalSeparate()
+
+class D : JavaDefault, KotlinInternalSeparate() {
+    override fun foo() {}
+}
+
+abstract class E : JavaPublic, KotlinInternalSeparate()
+
+class F : JavaPublic, KotlinInternalSeparate() {
+    override fun foo() {}
+}
+
+fun test(a: A, b: B, c: C, d: D, e: E, f: F){
+    a.foo()
+    a.a
+    b.foo()
+    b.a
+    c.foo()
+    d.foo()
+    f.foo()
+}