[FIR-TEST] Add new testdata generated after changes in previous commit

compiler/testData/diagnostics/tests/inner/accessingToKotlinNestedClass.fir.kt

@@ -0,0 +1,44 @@
+// !DIAGNOSTICS: -UNUSED_VARIABLE
+
+open class A {
+    class NC {}
+    inner class IC {}
+    interface NI {}
+}
+
+interface I {
+    class NC {}
+    interface NI {}
+}
+
+class B : A() {
+
+}
+
+class C : I {
+
+}
+
+class D : A(), I {
+
+}
+
+fun test() {
+    val ac: A.NC = A.NC()
+    val aic: A.IC = A().IC()
+    val ai: A.NI? = null
+
+    val ic: I.NC = I.NC()
+    val ii: I.NI? = null
+
+    val bc: B.NC = B.NC()
+    val bic: B.IC = B().IC()
+    val bi: B.NI? = null
+
+    val cc: C.NC = C.NC()
+    val ci: C.NI? = null
+
+    val dc: D.NC = D.NC()
+    val dic: D.IC = D().IC()
+    val di: D.NI? = null
+}