Fix tests to run on an older version of EasyMock

Change-Id: Ib34d803ef5baf22f3cefcbd58481686bfb4afb76
diff --git a/src/test/java/com/googlesource/gerrit/plugins/quota/PublisherExceptionTest.java b/src/test/java/com/googlesource/gerrit/plugins/quota/PublisherExceptionTest.java
index 291b4dd..8018a86 100644
--- a/src/test/java/com/googlesource/gerrit/plugins/quota/PublisherExceptionTest.java
+++ b/src/test/java/com/googlesource/gerrit/plugins/quota/PublisherExceptionTest.java
@@ -57,7 +57,7 @@
 
   @Before
   public void setupLogging() {
-    captor = EasyMock.newCapture();
+    captor = new Capture();
     appender = createMock(Appender.class);
     appender.doAppend(capture(captor));
     expectLastCall().anyTimes();