Try to avoid intermittent test failure

hapi-fhir-jpaserver-base/src/test/java/ca/uhn/fhir/jpa/provider/r4/StaleSearchDeletingSvcR4Test.java

@@ -14,6 +14,7 @@
 import ca.uhn.fhir.rest.gclient.IClientExecutable;
 import ca.uhn.fhir.rest.gclient.IQuery;
 import ca.uhn.fhir.rest.server.exceptions.ResourceGoneException;
+import ca.uhn.fhir.test.utilities.UnregisterScheduledProcessor;
 import ca.uhn.fhir.util.TestUtil;
 import org.apache.commons.lang3.time.DateUtils;
 import org.hl7.fhir.r4.model.Bundle;
@@ -24,6 +25,7 @@
 import org.junit.Before;
 import org.junit.Test;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.test.context.TestPropertySource;
 import org.springframework.test.util.AopTestUtils;
 
 import java.util.Date;
@@ -33,6 +35,11 @@
 import static org.hamcrest.Matchers.*;
 import static org.junit.Assert.*;
 
+@TestPropertySource(properties = {
+	// Since scheduled tasks can cause searches, which messes up the
+	// value returned by SearchBuilder.getLastHandlerMechanismForUnitTest()
+	UnregisterScheduledProcessor.SCHEDULING_DISABLED_EQUALS_TRUE
+})
 public class StaleSearchDeletingSvcR4Test extends BaseResourceProviderR4Test {
 
 	private static final org.slf4j.Logger ourLog = org.slf4j.LoggerFactory.getLogger(StaleSearchDeletingSvcR4Test.class);

hapi-fhir-test-utilities/src/main/java/ca/uhn/fhir/test/utilities/UnregisterScheduledProcessor.java

@@ -53,7 +53,7 @@ public void postProcessBeanFactory(final ConfigurableListableBeanFactory beanFac
 			}
 
 			for (String beanName : beanFactory.getBeanNamesForType(ExecutorConfigurationSupport.class)) {
-				ExecutorConfigurationSupport executorConfigSupport = ((DefaultListableBeanFactory) beanFactory).getBean(beanName, ExecutorConfigurationSupport.class);
+				ExecutorConfigurationSupport executorConfigSupport = beanFactory.getBean(beanName, ExecutorConfigurationSupport.class);
 				executorConfigSupport.shutdown();
 			}
 		}