HBASE-27820: Addendum: Fix test failures (#5268)

Signed-off-by: Duo Zhang <zhangduo@apache.org>
Signed-off-by: Wellington Chevreuil <wchevreuil@apache.rog>

Author: ragarkar

hbase-backup/pom.xml

@@ -43,6 +43,11 @@
       <type>test-jar</type>
       <scope>test</scope>
     </dependency>
+    <dependency>
+      <groupId>javax.ws.rs</groupId>
+      <artifactId>javax.ws.rs-api</artifactId>
+      <scope>test</scope>
+    </dependency>
     <dependency>
       <groupId>org.apache.hbase</groupId>
       <artifactId>hbase-client</artifactId>