Allow tests to pass when a NAME environment variable exists

Update `ConfigurationPropertiesTests` so that it will pass even if a
local `NAME` environment variable is declared.

Closes gh-31076

Author: philwebb

spring-boot-project/spring-boot/src/test/java/org/springframework/boot/context/properties/ConfigurationPropertiesTests.java

@@ -254,6 +254,7 @@ void loadWhenBindingWithoutAnnotationValueShouldBind() {
 
 	@Test
 	void loadWhenBindingWithDefaultsInXmlShouldBind() {
+		removeSystemProperties();
 		load(new Class<?>[] { BasicConfiguration.class, DefaultsInXmlConfiguration.class });
 		BasicProperties bean = this.context.getBean(BasicProperties.class);
 		assertThat(bean.name).isEqualTo("bar");