java.lang.NullPointerException
	at org.scalatest.matchers.TypeMatcherHelper$.assertAType(TypeMatcherHelper.scala:162)
	at pl.touk.nussknacker.engine.flink.minicluster.scenariotesting.FlinkMiniClusterScenarioTestRunnerSpec.$anonfun$runTests$13(FlinkMiniClusterScenarioTestRunnerSpec.scala:483)
	at org.scalatest.OutcomeOf.outcomeOf(OutcomeOf.scala:85)
	at org.scalatest.OutcomeOf.outcomeOf$(OutcomeOf.scala:83)
	at org.scalatest.OutcomeOf$.outcomeOf(OutcomeOf.scala:104)
	at org.scalatest.Transformer.apply(Transformer.scala:22)
	at org.scalatest.Transformer.apply(Transformer.scala:20)
	at org.scalatest.wordspec.AnyWordSpecLike$$anon$3.apply(AnyWordSpecLike.scala:1240)
	at org.scalatest.TestSuite.withFixture(TestSuite.scala:196)
	at org.scalatest.TestSuite.withFixture$(TestSuite.scala:195)
	at org.scalatest.wordspec.AnyWordSpec.withFixture(AnyWordSpec.scala:1880)
	at org.scalatest.wordspec.AnyWordSpecLike.invokeWithFixture$1(AnyWordSpecLike.scala:1238)
	at org.scalatest.wordspec.AnyWordSpecLike.$anonfun$runTest$1(AnyWordSpecLike.scala:1250)
	at org.scalatest.SuperEngine.runTestImpl(Engine.scala:306)
	at org.scalatest.wordspec.AnyWordSpecLike.runTest(AnyWordSpecLike.scala:1250)
	at org.scalatest.wordspec.AnyWordSpecLike.runTest$(AnyWordSpecLike.scala:1232)
	at pl.touk.nussknacker.engine.flink.minicluster.scenariotesting.FlinkMiniClusterScenarioTestRunnerSpec.org$scalatest$BeforeAndAfterEach$$super$runTest(FlinkMiniClusterScenarioTestRunnerSpec.scala:51)
	at org.scalatest.BeforeAndAfterEach.runTest(BeforeAndAfterEach.scala:234)
	at org.scalatest.BeforeAndAfterEach.runTest$(BeforeAndAfterEach.scala:227)
	at pl.touk.nussknacker.engine.flink.minicluster.scenariotesting.FlinkMiniClusterScenarioTestRunnerSpec.runTest(FlinkMiniClusterScenarioTestRunnerSpec.scala:51)
	at org.scalatest.wordspec.AnyWordSpecLike.$anonfun$runTests$1(AnyWordSpecLike.scala:1309)
	at org.scalatest.SuperEngine.$anonfun$runTestsInBranch$1(Engine.scala:413)
	at scala.collection.immutable.List.foreach(List.scala:334)
	at org.scalatest.SuperEngine.traverseSubNodes$1(Engine.scala:401)
	at org.scalatest.SuperEngine.runTestsInBranch(Engine.scala:390)
	at org.scalatest.SuperEngine.$anonfun$runTestsInBranch$1(Engine.scala:427)
	at scala.collection.immutable.List.foreach(List.scala:334)
	at org.scalatest.SuperEngine.traverseSubNodes$1(Engine.scala:401)
	at org.scalatest.SuperEngine.runTestsInBranch(Engine.scala:390)
	at org.scalatest.SuperEngine.$anonfun$runTestsInBranch$1(Engine.scala:427)
	at scala.collection.immutable.List.foreach(List.scala:334)
	at org.scalatest.SuperEngine.traverseSubNodes$1(Engine.scala:401)
	at org.scalatest.SuperEngine.runTestsInBranch(Engine.scala:396)
	at org.scalatest.SuperEngine.runTestsImpl(Engine.scala:475)
	at org.scalatest.wordspec.AnyWordSpecLike.runTests(AnyWordSpecLike.scala:1309)
	at org.scalatest.wordspec.AnyWordSpecLike.runTests$(AnyWordSpecLike.scala:1308)
	at org.scalatest.wordspec.AnyWordSpec.runTests(AnyWordSpec.scala:1880)
	at org.scalatest.Suite.run(Suite.scala:1114)
	at org.scalatest.Suite.run$(Suite.scala:1096)
	at org.scalatest.wordspec.AnyWordSpec.org$scalatest$wordspec$AnyWordSpecLike$$super$run(AnyWordSpec.scala:1880)
	at org.scalatest.wordspec.AnyWordSpecLike.$anonfun$run$1(AnyWordSpecLike.scala:1354)
	at org.scalatest.SuperEngine.runImpl(Engine.scala:535)
	at org.scalatest.wordspec.AnyWordSpecLike.run(AnyWordSpecLike.scala:1354)
	at org.scalatest.wordspec.AnyWordSpecLike.run$(AnyWordSpecLike.scala:1352)
	at pl.touk.nussknacker.engine.flink.minicluster.scenariotesting.FlinkMiniClusterScenarioTestRunnerSpec.org$scalatest$BeforeAndAfterAll$$super$run(FlinkMiniClusterScenarioTestRunnerSpec.scala:51)
	at org.scalatest.BeforeAndAfterAll.liftedTree1$1(BeforeAndAfterAll.scala:213)
	at org.scalatest.BeforeAndAfterAll.run(BeforeAndAfterAll.scala:210)
	at org.scalatest.BeforeAndAfterAll.run$(BeforeAndAfterAll.scala:208)
	at pl.touk.nussknacker.engine.flink.minicluster.scenariotesting.FlinkMiniClusterScenarioTestRunnerSpec.run(FlinkMiniClusterScenarioTestRunnerSpec.scala:51)
	at org.scalatest.tools.Framework.org$scalatest$tools$Framework$$runSuite(Framework.scala:321)
	at org.scalatest.tools.Framework$ScalaTestTask.execute(Framework.scala:517)
	at sbt.TestRunner.runTest$1(TestFramework.scala:153)
	at sbt.TestRunner.run(TestFramework.scala:168)
	at sbt.TestFramework$$anon$3$$anonfun$$lessinit$greater$1.$anonfun$apply$1(TestFramework.scala:336)
	at sbt.TestFramework$.sbt$TestFramework$$withContextLoader(TestFramework.scala:296)
	at sbt.TestFramework$$anon$3$$anonfun$$lessinit$greater$1.apply(TestFramework.scala:336)
	at sbt.TestFramework$$anon$3$$anonfun$$lessinit$greater$1.apply(TestFramework.scala:336)
	at sbt.TestFunction.apply(TestFramework.scala:348)
	at sbt.Tests$.processRunnable$1(Tests.scala:475)
	at sbt.Tests$.$anonfun$makeSerial$1(Tests.scala:481)
	at sbt.std.Transform$$anon$3.$anonfun$apply$2(Transform.scala:47)
	at sbt.std.Transform$$anon$4.work(Transform.scala:69)
	at sbt.Execute.$anonfun$submit$2(Execute.scala:283)
	at sbt.internal.util.ErrorHandling$.wideConvert(ErrorHandling.scala:24)
	at sbt.Execute.work(Execute.scala:292)
	at sbt.Execute.$anonfun$submit$1(Execute.scala:283)
	at sbt.ConcurrentRestrictions$$anon$4.$anonfun$submitValid$1(ConcurrentRestrictions.scala:265)
	at sbt.CompletionService$$anon$2.call(CompletionService.scala:65)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
	at java.base/java.lang.Thread.run(Thread.java:829)