Fix QuickLayoutMacro test target

Summary: Fixes https://www.internalfb.com/intern/test/562950263672194?ref_report_id=0

Differential Revision: D98710843

fbshipit-source-id: c8d3f1c6a94db19967789eb58c56baa92d4923e4

Author: Xavier Jurado Cristobal

Sources/QuickLayout/QuickLayoutMacroTests/QuickLayoutTests.swift

@@ -10,7 +10,7 @@ import SwiftSyntaxMacrosTestSupport
 import XCTest
 
 #if canImport(QuickLayoutMacro)
-@testable import QuickLayoutMacro
+import QuickLayoutMacro
 
 // patternlint-disable meta-subclass-view