Provide dependency management for JUnit Jupiter

Spring Framework 5 provides support for JUnit 5. This commit adds
dependency management for JUnit 5 and an upgrade for
spring-boot-sample-junit-jupiter sample.

See gh-10240

spring-boot-dependencies/pom.xml

@@ -124,6 +124,8 @@
 		<jstl.version>1.2</jstl.version>
 		<jtds.version>1.3.1</jtds.version>
 		<junit.version>4.12</junit.version>
+		<junit.jupiter.version>5.0.0</junit.jupiter.version>
+		<junit.platform.version>1.0.0</junit.platform.version>
 		<lettuce.version>5.0.0.RC2</lettuce.version>
 		<liquibase.version>3.5.3</liquibase.version>
 		<log4j2.version>2.9.0</log4j2.version>
@@ -931,6 +933,21 @@
 				<artifactId>junit</artifactId>
 				<version>${junit.version}</version>
 			</dependency>
+			<dependency>
+				<groupId>org.junit.platform</groupId>
+				<artifactId>junit-platform-launcher</artifactId>
+				<version>${junit.platform.version}</version>
+			</dependency>
+			<dependency>
+				<groupId>org.junit.jupiter</groupId>
+				<artifactId>junit-jupiter-api</artifactId>
+				<version>${junit.jupiter.version}</version>
+			</dependency>
+			<dependency>
+				<groupId>org.junit.jupiter</groupId>
+				<artifactId>junit-jupiter-engine</artifactId>
+				<version>${junit.jupiter.version}</version>
+			</dependency>
 			<dependency>
 				<groupId>mysql</groupId>
 				<artifactId>mysql-connector-java</artifactId>

spring-boot-samples/spring-boot-sample-junit-jupiter/pom.xml

@@ -19,8 +19,6 @@
 	</organization>
 	<properties>
 		<main.basedir>${basedir}/../..</main.basedir>
-		<junit.jupiter.version>5.0.0-M6</junit.jupiter.version>
-		<junit.platform.version>1.0.0-M6</junit.platform.version>
 	</properties>
 
 	<dependencies>
@@ -40,10 +38,19 @@
 				</exclusion>
 			</exclusions>
 		</dependency>
+		<dependency>
+			<groupId>org.junit.platform</groupId>
+			<artifactId>junit-platform-launcher</artifactId>
+			<scope>test</scope>
+		</dependency>
 		<dependency>
 			<groupId>org.junit.jupiter</groupId>
 			<artifactId>junit-jupiter-api</artifactId>
-			<version>${junit.jupiter.version}</version>
+			<scope>test</scope>
+		</dependency>
+		<dependency>
+			<groupId>org.junit.jupiter</groupId>
+			<artifactId>junit-jupiter-engine</artifactId>
 			<scope>test</scope>
 		</dependency>
 	</dependencies>
@@ -63,11 +70,6 @@
 						<artifactId>junit-platform-surefire-provider</artifactId>
 						<version>${junit.platform.version}</version>
 					</dependency>
-					<dependency>
-						<groupId>org.junit.jupiter</groupId>
-						<artifactId>junit-jupiter-engine</artifactId>
-						<version>${junit.jupiter.version}</version>
-					</dependency>
 				</dependencies>
 			</plugin>
 		</plugins>