Made the test initializers package-visible.

Sources/ASConnectService/Sources/Public/Middlewares/RateLimitMiddleware.swift

@@ -71,7 +71,7 @@ public struct RateLimitMiddleware {
     }
 
     /// Creates a new middleware instance that waits with `sleep`, for testing.
-    init(
+    package init(
         maximumRetries: Int,
         baseDelay: TimeInterval,
         maximumDelay: TimeInterval,

Sources/ASConnectService/Sources/Public/Providers/APIKeyTokenProvider.swift

@@ -74,7 +74,7 @@ public actor APIKeyTokenProvider {
     }
 
     /// Creates a token provider that reads the current date from `now`, for testing.
-    init(
+    package init(
         issuerID: String?,
         keyID: String,
         privateKey: String,