[ObjCExport] Cleanup misleading test name for 'functionWithMustBeDocumentedAnnotation'

native/objcexport-header-generator/testData/headers/functionWithMustBeDocumentedAnnotation/!functionWithMustBeDocumentedAnnotation.h

@@ -18,15 +18,14 @@ NS_ASSUME_NONNULL_BEGIN
 #define _Nullable_result _Nullable
 #endif
 
+__attribute__((objc_subclassing_restricted))
+@interface FooKt : Base
 
 /**
  * @note annotations
  *   ImportantAnnotation
 */
-__attribute__((objc_subclassing_restricted))
-@interface Foo : Base
-- (instancetype)init __attribute__((swift_name("init()"))) __attribute__((objc_designated_initializer));
-+ (instancetype)new __attribute__((availability(swift, unavailable, message="use object initializers instead")));
++ (void)fooMyParameter:(NSString *)myParameter __attribute__((swift_name("foo(myParameter:)")));
 @end
 
 #pragma pop_macro("_Nullable_result")

native/objcexport-header-generator/testData/headers/functionWithMustBeDocumentedAnnotation/Foo.kt

@@ -2,4 +2,4 @@
 annotation class ImportantAnnotation
 
 @ImportantAnnotation
-class Foo
+fun foo(myParameter: String) = Unit