Start building against Spring Framework 5.2.4 snapshots

See gh-20199

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/task/TaskExecutionAutoConfigurationTests.java

 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -73,7 +73,7 @@ class TaskExecutionAutoConfigurationTests {
 					assertThat(taskExecutor).hasFieldOrPropertyWithValue("allowCoreThreadTimeOut", true);
 					assertThat(taskExecutor.getKeepAliveSeconds()).isEqualTo(5);
 					assertThat(taskExecutor).hasFieldOrPropertyWithValue("waitForTasksToCompleteOnShutdown", true);
-					assertThat(taskExecutor).hasFieldOrPropertyWithValue("awaitTerminationSeconds", 30);
+					assertThat(taskExecutor).hasFieldOrPropertyWithValue("awaitTerminationMillis", 30000L);
 					assertThat(taskExecutor.getThreadNamePrefix()).isEqualTo("mytest-");
 				}));
 	}

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/task/TaskSchedulingAutoConfigurationTests.java

 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -68,7 +68,7 @@ class TaskSchedulingAutoConfigurationTests {
 					TestBean bean = context.getBean(TestBean.class);
 					assertThat(bean.latch.await(30, TimeUnit.SECONDS)).isTrue();
 					assertThat(taskExecutor).hasFieldOrPropertyWithValue("waitForTasksToCompleteOnShutdown", true);
-					assertThat(taskExecutor).hasFieldOrPropertyWithValue("awaitTerminationSeconds", 30);
+					assertThat(taskExecutor).hasFieldOrPropertyWithValue("awaitTerminationMillis", 30000L);
 					assertThat(bean.threadNames).allMatch((name) -> name.contains("scheduling-test-"));
 				});
 	}

spring-boot-project/spring-boot-dependencies/pom.xml

@@ -189,7 +189,7 @@
 		<spring-batch.version>4.2.1.RELEASE</spring-batch.version>
 		<spring-cloud-connectors.version>2.0.7.RELEASE</spring-cloud-connectors.version>
 		<spring-data-releasetrain.version>Moore-SR4</spring-data-releasetrain.version>
-		<spring-framework.version>5.2.3.RELEASE</spring-framework.version>
+		<spring-framework.version>5.2.4.BUILD-SNAPSHOT</spring-framework.version>
 		<spring-hateoas.version>1.0.3.RELEASE</spring-hateoas.version>
 		<spring-integration.version>5.2.3.RELEASE</spring-integration.version>
 		<spring-kafka.version>2.3.5.RELEASE</spring-kafka.version>

spring-boot-project/spring-boot/src/test/java/org/springframework/boot/task/TaskExecutorBuilderTests.java

 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -62,8 +62,9 @@ class TaskExecutorBuilderTests {
 
 	@Test
 	void awaitTerminationPeriodShouldApply() {
-		ThreadPoolTaskExecutor executor = this.builder.awaitTerminationPeriod(Duration.ofMinutes(1)).build();
-		assertThat(executor).hasFieldOrPropertyWithValue("awaitTerminationSeconds", 60);
+		Duration period = Duration.ofMinutes(1);
+		ThreadPoolTaskExecutor executor = this.builder.awaitTerminationPeriod(period).build();
+		assertThat(executor).hasFieldOrPropertyWithValue("awaitTerminationMillis", period.toMillis());
 	}
 
 	@Test

spring-boot-project/spring-boot/src/test/java/org/springframework/boot/task/TaskSchedulerBuilderTests.java

 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -54,8 +54,9 @@ class TaskSchedulerBuilderTests {
 
 	@Test
 	void awaitTerminationPeriodShouldApply() {
-		ThreadPoolTaskScheduler executor = this.builder.awaitTerminationPeriod(Duration.ofMinutes(1)).build();
-		assertThat(executor).hasFieldOrPropertyWithValue("awaitTerminationSeconds", 60);
+		Duration period = Duration.ofMinutes(1);
+		ThreadPoolTaskScheduler executor = this.builder.awaitTerminationPeriod(period).build();
+		assertThat(executor).hasFieldOrPropertyWithValue("awaitTerminationMillis", period.toMillis());
 	}
 
 	@Test