[Bugfix] Remove shared actor system in BlockFetcherSpec

* [Kaizen] Add 'testAll' sbt command

* [Bugfix] Remove shared actor system in BlockFetcherSpec

Author: dzajkowski

build.sbt

@@ -290,6 +290,18 @@ addCommandAlias(
     |""".stripMargin
 )
 
+// testAll
+addCommandAlias(
+  "testAll",
+  """;compile-all
+    |;rlp/test
+    |;bytes/test
+    |;crypto/test
+    |;test
+    |;it:test
+    |""".stripMargin
+)
+
 // Scala 2.12 only has up to 1.4.5, while 2.13 only from 1.4.7
 // In theory we should be able to switch on `scalaVersion.value` but it doesn't seem to work.
 scapegoatVersion in ThisBuild := (sys.env.getOrElse("SCAPEGOAT_VERSION", "1.4.7"))

src/test/scala/io/iohk/ethereum/blockchain/sync/regular/BlockFetcherSpec.scala

@@ -36,8 +36,6 @@ import scala.concurrent.duration._
 
 class BlockFetcherSpec extends ScalaTestWithActorTestKit() with AnyFreeSpecLike with Matchers with SecureRandomBuilder {
 
-  val as: ActorSystem = ActorSystem("BlockFetcherSpec_System")
-
   "BlockFetcher" - {
 
     "should not requests headers upon invalidation while a request is already in progress, should resume after response" in new TestSetup {
@@ -271,6 +269,8 @@ class BlockFetcherSpec extends ScalaTestWithActorTestKit() with AnyFreeSpecLike
   }
 
   trait TestSetup extends TestSyncConfig {
+    val as: ActorSystem = ActorSystem("BlockFetcherSpec_System")
+
     val time = new VirtualTime
 
     val peersClient = TestProbe()(as)