Polish tests

See gh-20318

buildSrc/src/test/java/org/springframework/boot/build/mavenplugin/PluginXmlParserTests.java

@@ -18,7 +18,6 @@ package org.springframework.boot.build.mavenplugin;
 
 import java.io.File;
 import java.io.FileNotFoundException;
-import java.util.Arrays;
 import java.util.stream.Collectors;
 
 import org.junit.jupiter.api.Test;
@@ -46,7 +45,7 @@ public class PluginXmlParserTests {
 		assertThat(plugin.getVersion()).isEqualTo("2.2.0.GRADLE-SNAPSHOT");
 		assertThat(plugin.getGoalPrefix()).isEqualTo("spring-boot");
 		assertThat(plugin.getMojos().stream().map(PluginXmlParser.Mojo::getGoal).collect(Collectors.toList()))
-				.isEqualTo(Arrays.<String>asList("build-info", "help", "repackage", "run", "start", "stop"));
+				.containsExactly("build-info", "help", "repackage", "run", "start", "stop");
 	}
 
 	@Test

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/jdbc/DataSourceAutoConfigurationTests.java

@@ -154,6 +154,7 @@ class DataSourceAutoConfigurationTests {
 	@Test
 	void dataSourceWhenNoConnectionPoolsAreAvailableWithUrlDoesNotCreateDataSource() {
 		this.contextRunner.with(hideConnectionPools())
+				.withPropertyValues("spring.datasource.url:jdbc:hsqldb:mem:testdb")
 				.run((context) -> assertThat(context).doesNotHaveBean(DataSource.class));
 	}
 
@@ -210,8 +211,8 @@ class DataSourceAutoConfigurationTests {
 	}
 
 	private static Function<ApplicationContextRunner, ApplicationContextRunner> hideConnectionPools() {
-		return (runner) -> runner.withClassLoader(new FilteredClassLoader("org.apache.tomcat", "com.zaxxer.hikari",
+		return (runner) -> runner.withClassLoader(
-				"org.apache.commons.dbcp", "org.apache.commons.dbcp2"));
+				new FilteredClassLoader("org.apache.tomcat", "com.zaxxer.hikari", "org.apache.commons.dbcp2"));
 	}
 
 	private <T extends DataSource> void assertDataSource(Class<T> expectedType, List<String> hiddenPackages,