Prevent run failures in tests from polluting LoggerContext

spring-boot-devtools/src/test/java/org/springframework/boot/devtools/RemoteUrlPropertyExtractorTests.java

@@ -16,13 +16,17 @@
 
 package org.springframework.boot.devtools;
 
+import org.junit.After;
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.rules.ExpectedException;
+import org.slf4j.LoggerFactory;
 import org.springframework.boot.SpringApplication;
 import org.springframework.context.ApplicationContext;
 import org.springframework.context.annotation.Configuration;
 
+import ch.qos.logback.classic.Logger;
+
 import static org.hamcrest.Matchers.equalTo;
 import static org.hamcrest.Matchers.is;
 import static org.hamcrest.Matchers.nullValue;
@@ -38,6 +42,12 @@ public class RemoteUrlPropertyExtractorTests {
 	@Rule
 	public ExpectedException thrown = ExpectedException.none();
 
+	@After
+	public void preventRunFailuresFromPollutingLoggerContext() {
+		((Logger) LoggerFactory.getLogger(RemoteUrlPropertyExtractorTests.class))
+				.getLoggerContext().getTurboFilterList().clear();
+	}
+
 	@Test
 	public void missingUrl() throws Exception {
 		this.thrown.expect(IllegalStateException.class);