compiler testdata: s/trait/interface

compiler/testData/diagnostics/tests/functionLiterals/LabeledFunctionLiterals.kt

@@ -1,9 +1,9 @@
 package h
 
 //traits to make ambiguity with function literal as an argument
-trait A
-trait B
-trait C: A, B
+interface A
+interface B
+interface C: A, B
 
 fun foo<T>(<!UNUSED_PARAMETER!>a<!>: A, f: () -> T): T = f()
 fun foo<T>(<!UNUSED_PARAMETER!>b<!>: B, f: () -> T): T = f()