[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/generics/genericWithBoundsOnComplexHierarchy.fir.kt.txt

@@ -0,0 +1,138 @@
+class A : Java2 {
+  constructor() /* primary */ {
+    super/*Java2*/()
+    /* <init>() */
+
+  }
+
+}
+
+abstract class B : KotlinClass<Int>, Java3 {
+  constructor() /* primary */ {
+    super/*KotlinClass*/<Int>()
+    /* <init>() */
+
+  }
+
+}
+
+class C : KotlinClass<Int>, Java3 {
+  constructor() /* primary */ {
+    super/*KotlinClass*/<Int>()
+    /* <init>() */
+
+  }
+
+  override fun foo(t: Any?) {
+  }
+
+}
+
+abstract class D : Java4<Any>, Java3 {
+  constructor() /* primary */ {
+    super/*Java4*/<Any>()
+    /* <init>() */
+
+  }
+
+}
+
+class E : Java4<Any>, Java3 {
+  constructor() /* primary */ {
+    super/*Java4*/<Any>()
+    /* <init>() */
+
+  }
+
+  override fun foo(t: Any?) {
+  }
+
+}
+
+abstract class F : Java1<Int>, Java5 {
+  constructor() /* primary */ {
+    super/*Java1*/<Int>()
+    /* <init>() */
+
+  }
+
+}
+
+class G : Java1<Int>, Java5 {
+  constructor() /* primary */ {
+    super/*Java1*/<Int>()
+    /* <init>() */
+
+  }
+
+  override fun foo(t: Any) {
+  }
+
+}
+
+class H : Java2, KotlinInterface<Any> {
+  constructor() /* primary */ {
+    super/*Java2*/()
+    /* <init>() */
+
+  }
+
+}
+
+class I : Java2, KotlinInterface<Any> {
+  constructor() /* primary */ {
+    super/*Java2*/()
+    /* <init>() */
+
+  }
+
+  override fun foo(t: Any) {
+  }
+
+}
+
+open class KotlinClass<T> : Java1<T> where T : Number, T : Comparable<T> {
+  constructor() /* primary */ {
+    super/*Java1*/<T>()
+    /* <init>() */
+
+  }
+
+}
+
+interface KotlinInterface<T : Any> {
+  abstract fun bar(): T?
+
+  abstract fun foo(t: T)
+
+}
+
+fun test(a: A, b: B, c: C, d: D, e: E, f: F, h: H, i: I) {
+  a.foo(t = 1)
+  a.foo(t = 1.1)
+  a.foo(t = null)
+  a.foo(t = "")
+  a.bar() /*~> Unit */
+  b.foo(t = 1.2)
+  b.foo(t = null)
+  b.bar() /*~> Unit */
+  c.foo(t = null)
+  c.foo(t = "")
+  c.foo(t = 1)
+  c.bar() /*~> Unit */
+  d.foo(t = null)
+  d.foo(t = 1)
+  d.bar() /*~> Unit */
+  e.foo(t = 1.1)
+  e.foo(t = null)
+  e.bar() /*~> Unit */
+  f.foo(t = 2)
+  f.foo(t = "")
+  f.bar() /*~> Unit */
+  h.foo(t = 2)
+  h.foo(t = "")
+  h.bar() /*~> Unit */
+  i.foo(t = 2)
+  i.foo(t = "")
+  i.bar() /*~> Unit */
+}