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

compiler/testData/diagnostics/tests/annotations/nestedClassesInAnnotations.fir.kt

@@ -0,0 +1,23 @@
+// !LANGUAGE: +NestedClassesInAnnotations
+
+annotation class Foo {
+    class Nested
+
+    inner class Inner
+
+    enum class E { A, B }
+    object O
+    interface I
+    annotation class Anno(val e: E)
+
+    companion object {
+        val x = 1
+        const val y = ""
+    }
+
+
+    constructor(s: Int) {}
+    init {}
+    fun function() {}
+    val property get() = Unit
+}