format

Signed-off-by: Adrian Cole <adrian@tetrate.io>

brave/src/test/java/brave/TagTest.java

@@ -19,7 +19,6 @@
 import java.util.concurrent.Executors;
 import java.util.concurrent.TimeUnit;
 import java.util.function.BiFunction;
-import java.util.stream.IntStream;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 
@@ -28,7 +27,6 @@
 import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.ArgumentMatchers.isNull;
 import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.times;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.verifyNoMoreInteractions;
 import static org.mockito.Mockito.when;
@@ -278,7 +276,7 @@ public void tag_mutableSpan_threadSafe() throws InterruptedException {
     try {
       for (int i = 0; i < numThreads; i++) {
         String val = String.valueOf(i);
-        Tag<Object> tag = new Tag<Object>("key"+i) {
+        Tag<Object> tag = new Tag<Object>("key" + i) {
           @Override protected String parseValue(Object input, TraceContext context) {
             return val;
           }