Windows prevents folder deletion if log file is still locked. There is

no easy mechanism for closing a JUL log file once it is used, so we'll
ignore the deletion failure.

Author: trumpetinc

api/src/test/java/feign/MultipleLoggerTest.java

@@ -19,10 +19,11 @@
 import java.lang.reflect.Field;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.io.TempDir;
+import org.junit.jupiter.api.io.TempDirDeletionStrategy.IgnoreFailures;
 
 public class MultipleLoggerTest {
 
-  @TempDir public File tmp;
+  @TempDir(deletionStrategy = IgnoreFailures.class) public File tmp;
 
   private static java.util.logging.Logger getInnerLogger(Logger.JavaLogger logger)
       throws Exception {