[minor] Update test data for 1.4

compiler/testData/diagnostics/testsWithStdLib/trailingComma/multiVariableDeclarationWithDisabledFeature.fir.kt

@@ -1,4 +1,5 @@
 // !DIAGNOSTICS: -UNUSED_VARIABLE, -UNUSED_DESTRUCTURED_PARAMETER_ENTRY, -UNUSED_ANONYMOUS_PARAMETER
+// !LANGUAGE: -TrailingCommas
 
 data class Foo1(val x: String, val y: String, val z: String = "")
 

compiler/testData/diagnostics/testsWithStdLib/trailingComma/multiVariableDeclarationWithDisabledFeature.kt

@@ -1,4 +1,5 @@
 // !DIAGNOSTICS: -UNUSED_VARIABLE, -UNUSED_DESTRUCTURED_PARAMETER_ENTRY, -UNUSED_ANONYMOUS_PARAMETER
+// !LANGUAGE: -TrailingCommas
 
 data class Foo1(val x: String, val y: String, val z: String = "")
 

compiler/testData/diagnostics/testsWithStdLib/trailingComma/typeArgumentsWithDisabledFeature.fir.kt

@@ -1,4 +1,5 @@
 // !DIAGNOSTICS: -UNUSED_VARIABLE, -UNUSED_TYPEALIAS_PARAMETER, -CAST_NEVER_SUCCEEDS
+// !LANGUAGE: -TrailingCommas
 
 class Foo1<T1> {}
 

compiler/testData/diagnostics/testsWithStdLib/trailingComma/typeArgumentsWithDisabledFeature.kt

@@ -1,4 +1,5 @@
 // !DIAGNOSTICS: -UNUSED_VARIABLE, -UNUSED_TYPEALIAS_PARAMETER, -CAST_NEVER_SUCCEEDS
+// !LANGUAGE: -TrailingCommas
 
 class Foo1<T1> {}
 

compiler/testData/diagnostics/testsWithStdLib/trailingComma/typeParametersWithDisabledFeature.fir.kt

@@ -1,4 +1,5 @@
 // !DIAGNOSTICS: -UNUSED_PARAMETER, -UNUSED_TYPEALIAS_PARAMETER
+// !LANGUAGE: -TrailingCommas
 
 @Target(AnnotationTarget.TYPE)
 annotation class Anno

compiler/testData/diagnostics/testsWithStdLib/trailingComma/typeParametersWithDisabledFeature.kt

@@ -1,4 +1,5 @@
 // !DIAGNOSTICS: -UNUSED_PARAMETER, -UNUSED_TYPEALIAS_PARAMETER
+// !LANGUAGE: -TrailingCommas
 
 @Target(AnnotationTarget.TYPE)
 annotation class Anno

compiler/testData/diagnostics/testsWithStdLib/trailingComma/valueArgumentsWithDisabledFeature.fir.kt

@@ -1,4 +1,5 @@
 // !DIAGNOSTICS: -UNUSED_PARAMETER, -UNUSED_VARIABLE, -UNUSED_ANONYMOUS_PARAMETER
+// !LANGUAGE: -TrailingCommas
 
 @Target(AnnotationTarget.TYPE)
 annotation class Anno1(val x: IntArray)

compiler/testData/diagnostics/testsWithStdLib/trailingComma/valueArgumentsWithDisabledFeature.kt

@@ -1,4 +1,5 @@
 // !DIAGNOSTICS: -UNUSED_PARAMETER, -UNUSED_VARIABLE, -UNUSED_ANONYMOUS_PARAMETER
+// !LANGUAGE: -TrailingCommas
 
 @Target(AnnotationTarget.TYPE)
 annotation class Anno1(val x: IntArray)

compiler/testData/diagnostics/testsWithStdLib/trailingComma/valueParametersWithDisabledFeature.fir.kt

@@ -1,4 +1,5 @@
 // !DIAGNOSTICS: -UNUSED_PARAMETER, -UNUSED_ANONYMOUS_PARAMETER -UNUSED_VARIABLE
+// !LANGUAGE: -TrailingCommas
 
 open class Foo1(x: Int = 10, y: Float = 0f,)
 

compiler/testData/diagnostics/testsWithStdLib/trailingComma/valueParametersWithDisabledFeature.kt

@@ -1,4 +1,5 @@
 // !DIAGNOSTICS: -UNUSED_PARAMETER, -UNUSED_ANONYMOUS_PARAMETER -UNUSED_VARIABLE
+// !LANGUAGE: -TrailingCommas
 
 open class Foo1(x: Int = 10, y: Float = 0f<!UNSUPPORTED_FEATURE!>,<!>)
 

compiler/testData/diagnostics/testsWithStdLib/trailingComma/whenEntryWithDisabledFeature.fir.kt

@@ -1,4 +1,5 @@
 // !DIAGNOSTICS: -UNUSED_VARIABLE, -UNUSED_EXPRESSION -NAME_SHADOWING
+// !LANGUAGE: -TrailingCommas
 
 fun foo1(x: Any) = when (x) {
     Comparable::class,

compiler/testData/diagnostics/testsWithStdLib/trailingComma/whenEntryWithDisabledFeature.kt

@@ -1,4 +1,5 @@
 // !DIAGNOSTICS: -UNUSED_VARIABLE, -UNUSED_EXPRESSION -NAME_SHADOWING
+// !LANGUAGE: -TrailingCommas
 
 fun foo1(x: Any) = when (x) {
     Comparable::class,