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

compiler/testData/diagnostics/tests/generics/innerClasses/kt6325.fir.kt

@@ -0,0 +1,21 @@
+// !DIAGNOSTICS: -UNUSED_EXPRESSION -UNUSED_PARAMETER -UNUSED_VARIABLE
+
+class Outer<T> {
+    inner class Inner<R> {
+        fun <S> newInner(): Inner<S> = Inner()
+        //type mismatch
+        fun <U, S> newOuterInner(): Outer<U>.Inner<S> = Outer<U>().Inner<S>()
+        //^ U here is not analyzed
+        fun foo(t: T, r: R) {}
+    }
+}
+
+fun test0() {
+    val inner: Outer<Int>.Inner<String> = Outer<Int>().Inner<String>()
+    Outer<Int>().Inner<String>().foo(1, "") // type mismatch on second argument
+}
+
+
+fun test1() {
+    Outer<Int>().Inner<String>().newOuterInner<Double, Boolean>().<!UNRESOLVED_REFERENCE!>foo<!>(1.0, true) // type mismatch on 1.0
+}