Move callable reference diagnostic tests to non-stdlib

compiler/testData/diagnostics/tests/callableReference/function/longQualifiedNameGeneric.kt

@@ -0,0 +1,18 @@
+// !CHECK_TYPE
+// FILE: a.kt
+
+package a.b.c
+
+class D<E, F> {
+    fun foo(<!UNUSED_PARAMETER!>e<!>: E, <!UNUSED_PARAMETER!>f<!>: F) = this
+}
+
+// FILE: b.kt
+
+import kotlin.reflect.KMemberFunction2
+
+fun main() {
+    val x = a.b.c.D<String, Int>::foo
+
+    checkSubtype<KMemberFunction2<a.b.c.D<String, Int>, String, Int, a.b.c.D<String, Int>>>(x)
+}