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

compiler/testData/diagnostics/testsWithStdLib/when/kt10807.fir.kt

@@ -0,0 +1,17 @@
+import java.util.*
+import kotlin.comparisons.compareBy
+import kotlin.comparisons.nullsLast
+
+class Foo(val a: String, val b: Int)
+
+fun getComp(): Comparator<Foo?> =
+        when {
+            else -> nullsLast(compareBy({ it.<!UNRESOLVED_REFERENCE!>a<!> }, { it.<!UNRESOLVED_REFERENCE!>b<!> }))
+        }
+
+fun getCompInverted(): Comparator<Foo?> =
+        nullsLast(
+                when {
+                    else -> compareBy({ it.<!UNRESOLVED_REFERENCE!>a<!> }, { it.<!UNRESOLVED_REFERENCE!>b<!> })
+                }
+        )