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

compiler/testData/diagnostics/tests/incompleteCode/illegalSelectorCallableReference.fir.kt

@@ -0,0 +1,8 @@
+// !DIAGNOSTICS: -UNUSED_EXPRESSION
+
+fun test() {
+    "a"."b"::foo
+    "a"."b"::class
+    "a"."b"."c"::foo
+    "a"."b"."c"::class
+}