HADOOP-13513. Java 1.7 support for org.apache.hadoop.fs.azure testcases. Contributed by Tibor Kiss.

(cherry picked from commit ae4db2544346370404826d5b55b2678f5f92fe1f)

hadoop-tools/hadoop-azure/src/test/java/org/apache/hadoop/fs/azure/AbstractWasbTestBase.java

@@ -35,7 +35,7 @@ import org.slf4j.LoggerFactory;
  * to run those tests.  The returned account might integrate with Azure Storage
  * directly or it might be a mock implementation.
  */
-abstract class AbstractWasbTestBase {
+public abstract class AbstractWasbTestBase {
 
   protected static final Logger LOG =
       LoggerFactory.getLogger(AbstractWasbTestBase.class);