Set socket closing by interruption trace as FINE level

Additional comments, extract exec command default name to constant

Signed-off-by: Emmanuel Bigeon <emmanuel@bigeon.fr>

gclc-swt/src/test/java/fr/bigeon/gclc/swt/SWTConsoleShellTest.java

@@ -55,6 +55,7 @@ import fr.bigeon.gclc.exception.InvalidCommandName;
  * TODO
  *
  * @author Emmanuel Bigeon */
+@SuppressWarnings({"javadoc", "static-method", "nls", "deprecation"})
 public class SWTConsoleShellTest {
 
     protected static final long TWO_SECONDS = 2000;