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

compiler/testData/diagnostics/tests/callableReference/function/privateStaticAndPublicMember.fir.kt

@@ -0,0 +1,10 @@
+// SKIP_TXT
+// FILE: A.java
+class A {
+    private static void foo() {}
+    public String foo(int x) {}
+}
+// FILE: main.kt
+fun main() {
+    (A::foo)(A(), 1)
+}