Add required import to code suggestion.

Author: otchet-broad

src/test/java/org/broadinstitute/consent/http/resources/DraftResourceTest.java

@@ -23,6 +23,7 @@
 import java.util.Collections;
 import java.util.Date;
 import java.util.HashSet;
+import java.util.List;
 import java.util.Set;
 import java.util.UUID;
 import org.broadinstitute.consent.http.enumeration.DraftType;