Add an NB to @_implementationOnly import.

mbrandonw · mbrandonw · commit 7b0bbbae90c4 · 2024-09-10T13:19:51.000-04:00
diff --git a/Sources/SnapshotTesting/AssertSnapshot.swift b/Sources/SnapshotTesting/AssertSnapshot.swift
@@ -1,6 +1,8 @@
 import XCTest
 
 #if canImport(Testing)
+  // NB: We are importing only the implementation of Testing because that framework is not available
+  //     in Xcode UI test targets.
   @_implementationOnly import Testing
 #endif
 
diff --git a/Sources/SnapshotTesting/Internal/RecordIssue.swift b/Sources/SnapshotTesting/Internal/RecordIssue.swift
@@ -1,6 +1,8 @@
 import XCTest
 
 #if canImport(Testing)
+  // NB: We are importing only the implementation of Testing because that framework is not available
+  //     in Xcode UI test targets.
   @_implementationOnly import Testing
 #endif
 
diff --git a/Sources/SnapshotTesting/SnapshotsTestTrait.swift b/Sources/SnapshotTesting/SnapshotsTestTrait.swift
@@ -1,4 +1,6 @@
 #if canImport(Testing)
+  // NB: We are importing only the implementation of Testing because that framework is not available
+  //     in Xcode UI test targets.
   @_implementationOnly import Testing
 
   @_spi(Experimental)
