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

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

@@ -0,0 +1,18 @@
+// !CHECK_TYPE
+// !DIAGNOSTICS: -UNUSED_EXPRESSION -UNUSED_PARAMETER
+
+class Outer<E> {
+    inner class Inner<E> {
+        fun foo(): E = null!!
+        fun outerE() = baz()
+    }
+
+    fun baz(): E = null!!
+}
+
+fun main() {
+    val inner = Outer<String>().Inner<Int>()
+
+    inner.foo().checkType { _<Int>() }
+    inner.outerE().checkType { <!INAPPLICABLE_CANDIDATE!>_<!><String>() }
+}