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

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

@@ -0,0 +1,31 @@
+// !CHECK_TYPE
+// !LANGUAGE: +CallableReferencesToClassMembersWithEmptyLHS
+
+import kotlin.reflect.KFunction0
+
+fun expectFunction0Unit(f: () -> Unit) = f
+fun expectFunction0String(f: () -> String) = f
+fun expectFunction1Unit(f: (A) -> Unit) = f
+fun expectFunction1String(f: (A) -> String) = f
+
+fun foo(): String = ""
+
+class A {
+    fun foo() {}
+    
+    fun main() {
+        val x = ::foo
+
+        checkSubtype<KFunction0<Unit>>(x)
+
+        expectFunction0Unit(x)
+        <!INAPPLICABLE_CANDIDATE!>expectFunction0String<!>(x)
+        <!INAPPLICABLE_CANDIDATE!>expectFunction1Unit<!>(x)
+        <!INAPPLICABLE_CANDIDATE!>expectFunction1String<!>(x)
+
+        expectFunction0Unit(::foo)
+        expectFunction0String(::foo)
+        <!INAPPLICABLE_CANDIDATE!>expectFunction1Unit<!>(::foo)
+        <!INAPPLICABLE_CANDIDATE!>expectFunction1String<!>(::foo)
+    }
+}