java.lang.AssertionError: Expected occupancy to be non-null in column 5 expected object to not be null

at org.testng.Assert.fail(Assert.java:94)

at org.testng.Assert.assertNotNull(Assert.java:406)

at jalview.gui.AlignViewportTest.testShowOrDontShowOccupancy(AlignViewportTest.java:478)

at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)

at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

at java.base/java.lang.reflect.Method.invoke(Method.java:566)

at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:85)

at org.testng.internal.Invoker.invokeMethod(Invoker.java:648)

at org.testng.internal.Invoker.invokeTestMethod(Invoker.java:834)

at org.testng.internal.Invoker.invokeTestMethods(Invoker.java:1142)

at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:124)

at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:108)

at org.testng.TestRunner.privateRun(TestRunner.java:771)

at org.testng.TestRunner.run(TestRunner.java:621)

at org.testng.SuiteRunner.runTest(SuiteRunner.java:357)

at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:352)

at org.testng.SuiteRunner.privateRun(SuiteRunner.java:310)

at org.testng.SuiteRunner.run(SuiteRunner.java:259)

at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:52)

at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:86)

at org.testng.TestNG.runSuitesSequentially(TestNG.java:1176)

at org.testng.TestNG.runSuitesLocally(TestNG.java:1101)

at org.testng.TestNG.run(TestNG.java:1009)

at org.gradle.api.internal.tasks.testing.testng.TestNGTestClassProcessor.runTests(TestNGTestClassProcessor.java:141)

at org.gradle.api.internal.tasks.testing.testng.TestNGTestClassProcessor.stop(TestNGTestClassProcessor.java:90)

at org.gradle.api.internal.tasks.testing.SuiteTestClassProcessor.stop(SuiteTestClassProcessor.java:61)

at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)

at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

at java.base/java.lang.reflect.Method.invoke(Method.java:566)

at org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:36)

at org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:24)

at org.gradle.internal.dispatch.ContextClassLoaderDispatch.dispatch(ContextClassLoaderDispatch.java:33)

at org.gradle.internal.dispatch.ProxyDispatchAdapter$DispatchingInvocationHandler.invoke(ProxyDispatchAdapter.java:94)

at com.sun.proxy.$Proxy2.stop(Unknown Source)

at org.gradle.api.internal.tasks.testing.worker.TestWorker$3.run(TestWorker.java:193)

at org.gradle.api.internal.tasks.testing.worker.TestWorker.executeAndMaintainThreadName(TestWorker.java:129)

at org.gradle.api.internal.tasks.testing.worker.TestWorker.execute(TestWorker.java:100)

at org.gradle.api.internal.tasks.testing.worker.TestWorker.execute(TestWorker.java:60)

at org.gradle.process.internal.worker.child.ActionExecutionWorker.execute(ActionExecutionWorker.java:56)

at org.gradle.process.internal.worker.child.SystemApplicationClassLoaderWorker.call(SystemApplicationClassLoaderWorker.java:133)

at org.gradle.process.internal.worker.child.SystemApplicationClassLoaderWorker.call(SystemApplicationClassLoaderWorker.java:71)

at worker.org.gradle.process.internal.worker.GradleWorkerMain.run(GradleWorkerMain.java:69)

at worker.org.gradle.process.internal.worker.GradleWorkerMain.main(GradleWorkerMain.java:74)