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

compiler/testData/diagnostics/tests/resolve/invoke/kt9517.fir.kt

@@ -0,0 +1,16 @@
+
+//KT-9517 Wrong resolve for invoke convention after smart cast
+open class A {
+    open val foo: () -> Number = null!!
+}
+
+class B: A() {
+    override val foo: () -> Int
+        get() = null!!
+}
+
+fun test(a: A) {
+    if (a is B) {
+        val foo: Int = a.foo() // B::foo + invoke()
+    }
+}