compiler testdata: s/trait/interface

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

@@ -1,7 +1,7 @@
 package a
 
-trait Super
-trait Trait : Super
+interface Super
+interface Trait : Super
 class Sub : Trait
 
 fun foo(f: (Trait) -> Trait) = f

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()

compiler/testData/diagnostics/tests/functionLiterals/return/MixedReturnsFromLambda.kt

@@ -1,8 +1,8 @@
 // !CHECK_TYPE
 
-trait A
-trait B: A
-trait C: A
+interface A
+interface B: A
+interface C: A
 
 
 fun test(a: C, b: B) {

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

@@ -1,6 +1,6 @@
 package m
 
-trait Element
+interface Element
 
 fun test(handlers: Map<String, Element.()->Unit>) {
 

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

@@ -1,6 +1,6 @@
 package m
 
-trait Element
+interface Element
 
 fun test(handlers: Map<String, Element.()->Unit>) {