fix TaskLocal tests

Author: sophiapoirier

test/Concurrency/global_variables.swift

@@ -50,7 +50,6 @@ struct TestStatics {
   static var computedProperty: Int { 0 } // computed property that, though static, has no storage so is not a global
   @TestWrapper static var wrapped: Int // expected-error{{static property 'wrapped' is not concurrency-safe because it is non-isolated global shared mutable state}}
   // expected-note@-1{{isolate 'wrapped' to a global actor, or convert it to a 'let' constant and conform it to 'Sendable'}}
-  @TaskLocal static var taskLocal: Int = 0
 }
 
 @TestGlobalActor

test/Concurrency/task_local.swift

@@ -8,18 +8,14 @@
 @available(SwiftStdlib 5.1, *)
 struct TL {
   @TaskLocal
-  static var number: Int = 0 // expected-complete-warning {{static property 'number' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in Swift 6}}
-  // expected-complete-note@-1 {{isolate 'number' to a global actor, or convert it to a 'let' constant and conform it to 'Sendable'}}
+  static var number: Int = 0
 
   @TaskLocal
-  static var someNil: Int? // expected-complete-warning {{static property 'someNil' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in Swift 6}}
-  // expected-complete-note@-1 {{isolate 'someNil' to a global actor, or convert it to a 'let' constant and conform it to 'Sendable'}}
+  static var someNil: Int?
 
   @TaskLocal
   static var noValue: Int // expected-error{{'static var' declaration requires an initializer expression or an explicitly stated getter}}
   // expected-note@-1{{add an initializer to silence this error}}
-  // expected-complete-warning@-2 {{static property 'noValue' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in Swift 6}}
-  // expected-complete-note@-3 {{isolate 'noValue' to a global actor, or convert it to a 'let' constant and conform it to 'Sendable'}}
 
   @TaskLocal
   var notStatic: String? // expected-error{{property 'notStatic', must be static because property wrapper 'TaskLocal<String?>' can only be applied to static properties}}