utils: Disable NioTest

Disable the NioTest, it is far to dependent on the network configuration of the
machine running the test. Cherry-picked change from a historic commit where
this test was disabled.

(cherry picked from commit 881a6e1)
Signed-off-by: Rohit Yadav <rohit.yadav@shapeblue.com>

Author: yadvr

utils/pom.xml

@@ -208,6 +208,7 @@
           <excludes>
             <exclude>com/cloud/utils/testcase/*TestCase*</exclude>
             <exclude>com/cloud/utils/db/*Test*</exclude>
+            <exclude>com/cloud/utils/testcase/NioTest.java</exclude>
           </excludes>
         </configuration>
       </plugin>