[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/internalWithPublishedApiOverride.kt

@@ -0,0 +1,78 @@
+// TARGET_BACKEND: JVM
+// IGNORE_BACKEND_K1: ANY
+// SEPARATE_SIGNATURE_DUMP_FOR_K2
+// ^ ISSUE: KT-65679, KT-65388
+
+// 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: Java1.java
+public class Java1 extends InternalVisibility { }
+
+// FILE: Java2.java
+public class Java2 extends InternalVisibility {
+    public int a = 2;
+    public void foo(){}
+}
+
+// FILE: Java3.java
+public class Java3 extends KotlinInternalSeparate { }
+
+// FILE: Java4.java
+public class Java4 extends KotlinInternalSeparate {
+    public int a = 4;
+    public void foo(){}
+}
+
+// FILE: test.kt
+open class InternalVisibility {
+    @PublishedApi
+    internal open val a: Int = 4
+    @PublishedApi
+    internal open fun foo() {}
+}
+
+class A : Java1()   //Kotlin ← Java ← Kotlin(internal)
+
+class B : Java1() {
+    override fun foo() {}
+}
+
+class C : Java2()   //Kotlin ← Java(public) ← Kotlin(internal)
+
+class D : Java2() {
+    override fun foo() {}
+    override val a: Int
+        get() = 10
+}
+
+class E : Java3()   //Kotlin ← Java ← Kotlin(internal separate module)
+
+class F : Java4()   //Kotlin ← Java(public) ← Kotlin(internal separate module)
+
+class G : Java4() {
+    override fun foo() {}
+}
+
+fun test(a: A, b: B, c: C, d: D, e: E, f: F, g: G){
+    a.foo()
+    a.a
+    b.foo()
+    b.a
+    c.foo()
+    c.a
+    d.foo()
+    d.a
+    f.foo()
+    f.a
+    g.foo()
+    g.a
+}