diff --git a/src/core/Akka.Persistence.TCK/Journal/JournalSpec.cs b/src/core/Akka.Persistence.TCK/Journal/JournalSpec.cs
index c95220a00dd..10248194248 100644
--- a/src/core/Akka.Persistence.TCK/Journal/JournalSpec.cs
+++ b/src/core/Akka.Persistence.TCK/Journal/JournalSpec.cs
@@ -10,6 +10,7 @@
 using System.Collections.Immutable;
 using System.Linq;
 using Akka.Actor;
+using Akka.Actor.Setup;
 using Akka.Configuration;
 using Akka.Persistence.TCK.Serialization;
 using Akka.TestKit;
@@ -52,6 +53,18 @@ protected JournalSpec(Config config = null, string actorSystemName = null, ITest
         {
         }
 
+        protected JournalSpec(ActorSystemSetup setup, string actorSystemName = null, ITestOutputHelper output = null)
+            : base(setup, actorSystemName ?? "SnapshotStoreSpec", output)
+        {
+            _senderProbe = CreateTestProbe();
+        }
+
+        protected JournalSpec(ActorSystem system = null, ITestOutputHelper output = null)
+            : base(system, output)
+        {
+            _senderProbe = CreateTestProbe();
+        }
+
         protected override bool SupportsSerialization => true;
 
         /// <summary>
diff --git a/src/core/Akka.Persistence.TCK/PluginSpec.cs b/src/core/Akka.Persistence.TCK/PluginSpec.cs
index d92f8364748..f82a4856904 100644
--- a/src/core/Akka.Persistence.TCK/PluginSpec.cs
+++ b/src/core/Akka.Persistence.TCK/PluginSpec.cs
@@ -7,6 +7,7 @@
 
 using System;
 using Akka.Actor;
+using Akka.Actor.Setup;
 using Akka.Configuration;
 using Akka.Util.Internal;
 using Xunit.Abstractions;
@@ -27,6 +28,22 @@ protected PluginSpec(Config config = null, string actorSystemName = null, ITestO
             WriterGuid = Guid.NewGuid().ToString();
         }
 
+        protected PluginSpec(ActorSystemSetup setup, string actorSystemName = null, ITestOutputHelper output = null)
+            : base(setup, actorSystemName, output)
+        {
+            Extension = Persistence.Instance.Apply(Sys as ExtendedActorSystem);
+            Pid = "p-" + Counter.IncrementAndGet();
+            WriterGuid = Guid.NewGuid().ToString();
+        }
+
+        protected PluginSpec(ActorSystem system = null, ITestOutputHelper output = null)
+            : base(system, output)
+        {
+            Extension = Persistence.Instance.Apply(Sys as ExtendedActorSystem);
+            Pid = "p-" + Counter.IncrementAndGet();
+            WriterGuid = Guid.NewGuid().ToString();
+        }
+
         protected static Config FromConfig(Config config = null)
         {
             return config.IsNullOrEmpty()
diff --git a/src/core/Akka.Persistence.TCK/Snapshot/SnapshotStoreSpec.cs b/src/core/Akka.Persistence.TCK/Snapshot/SnapshotStoreSpec.cs
index 952e612d509..e19c31cb3ea 100644
--- a/src/core/Akka.Persistence.TCK/Snapshot/SnapshotStoreSpec.cs
+++ b/src/core/Akka.Persistence.TCK/Snapshot/SnapshotStoreSpec.cs
@@ -9,6 +9,7 @@
 using System.Collections.Generic;
 using System.Linq;
 using Akka.Actor;
+using Akka.Actor.Setup;
 using Akka.Configuration;
 using Akka.Persistence.Fsm;
 using Akka.Persistence.TCK.Serialization;
@@ -56,6 +57,18 @@ protected SnapshotStoreSpec(Config config = null, string actorSystemName = null,
             _senderProbe = CreateTestProbe();
         }
 
+        protected SnapshotStoreSpec(ActorSystemSetup setup, string actorSystemName = null, ITestOutputHelper output = null)
+            : base(setup, actorSystemName ?? "SnapshotStoreSpec", output)
+        {
+            _senderProbe = CreateTestProbe();
+        }
+
+        protected SnapshotStoreSpec(ActorSystem system = null, ITestOutputHelper output = null)
+            : base(system, output)
+        {
+            _senderProbe = CreateTestProbe();
+        }
+
         protected SnapshotStoreSpec(Type snapshotStoreType, string actorSystemName = null)
             : base(ConfigFromTemplate(snapshotStoreType), actorSystemName)
         {
diff --git a/src/core/Akka/Actor/ActorSystem.cs b/src/core/Akka/Actor/ActorSystem.cs
index 69513bf41f0..481aafbd06b 100644
--- a/src/core/Akka/Actor/ActorSystem.cs
+++ b/src/core/Akka/Actor/ActorSystem.cs
@@ -93,7 +93,7 @@ internal static ProviderSelection GetProvider(string providerClass)
     }
 
     /// <summary>
-    /// Core boostrap settings for the <see cref="ActorSystem"/>, which can be created using one of the static factory methods
+    /// Core bootstrap settings for the <see cref="ActorSystem"/>, which can be created using one of the static factory methods
     /// on this class.
     /// </summary>
     public sealed class BootstrapSetup : Setup.Setup