Fix build failure

spring-boot-actuator/src/test/java/org/springframework/boot/actuate/autoconfigure/HealthIndicatorAutoConfigurationTests.java

@@ -574,6 +574,7 @@ public class HealthIndicatorAutoConfigurationTests {
 		@ConfigurationProperties(prefix = "spring.datasource.test")
 		public DataSource testDataSource() {
 			return DataSourceBuilder.create()
+					.type(org.apache.tomcat.jdbc.pool.DataSource.class)
 					.driverClassName("org.hsqldb.jdbc.JDBCDriver")
 					.url("jdbc:hsqldb:mem:test").username("sa").build();
 		}