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

compiler/testData/diagnostics/tests/generics/innerClasses/importedInner.fir.kt

@@ -0,0 +1,20 @@
+// !DIAGNOSTICS: -UNUSED_VARIABLE -UNUSED_PARAMETER
+import Outer.Inner
+
+
+class Outer<E> {
+    inner class Inner
+
+    fun foo() {
+        class E
+        val x: Inner = Inner()
+    }
+
+    class Nested {
+        fun bar(x: Inner) {}
+    }
+}
+
+class E
+
+fun bar(x: Inner) {}