[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/fieldmodifiers/kotlinModifiersOverride.kt

@@ -0,0 +1,44 @@
+// TARGET_BACKEND: JVM
+
+// FILE: Java1.java
+public class Java1 extends A {  }
+
+// FILE: Java2.java
+public interface Java2 {
+    Number b = 5;
+    Integer a = 1;
+}
+
+// FILE: Java3.java
+public interface Java3 extends KotlinInterface { }
+
+// FILE: 1.kt
+open class A {
+    companion object {
+        const val a = 0;
+    }
+
+    lateinit var b: Number
+}
+
+class B : Java1()   //Kotlin ← Java ← Kotlin
+
+class C : A(), Java2    //Kotlin ← Java, Kotlin2
+
+abstract class D : A(), Java3   //Kotlin ← Java, Kotlin2 ← Kotlin3
+
+interface KotlinInterface {
+    var a: Int
+    var b: Number
+}
+
+fun test(b: B, c: C, d: D){
+    b.b = 3
+    b.b
+    c.b = 4
+    c.b
+    d.a = 2
+    d.b = 7
+    d.a
+    d.b
+}