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

compiler/testData/diagnostics/tests/callableReference/rewriteAtSliceOnGetOperator.fir.kt

@@ -0,0 +1,18 @@
+// !LANGUAGE: +NewInference
+// !DIAGNOSTICS: -UNUSED_PARAMETER
+
+import kotlin.reflect.KProperty1
+
+class Sample(val str: String)
+
+class Inv<T>
+
+class Form {
+    operator fun <F> get(field: KProperty1<*, F>): Inv<F> = TODO()
+}
+
+fun <K> foo(i: Inv<K>) {}
+
+fun test(f: Form) {
+    foo(f[Sample::str])
+}