diff --git a/Sources/Testing/Testing.docc/MigratingFromXCTest.md b/Sources/Testing/Testing.docc/MigratingFromXCTest.md index 60744ba7a..513f1b3e2 100644 --- a/Sources/Testing/Testing.docc/MigratingFromXCTest.md +++ b/Sources/Testing/Testing.docc/MigratingFromXCTest.md @@ -84,6 +84,8 @@ concurrency safety: For more information about suites and how to declare and customize them, see . +> Important: While XCTest test cases running sequentially by default, the test execution happens in parallel by default in Swift Testing. See the [Run tests sequentially](#Run-tests-sequentially) section in this document for further information. + ### Convert setup and teardown functions In XCTest, code can be scheduled to run before and after a test using the