minor: try to fix an integration test by giving the DSS more time to process...

minor: try to fix an integration test by giving the DSS more time to process an incoming data set (it looks like the last operation in the test-3v.sh  test suite fails)

SVN: 20260

integration-tests/test-3v.sh

@@ -63,6 +63,8 @@ function generate_test_data {
     
     # register not at a sample but at an experiment and two data set parents
     echo hello world > $DATA/incoming-a/nemo.exp1_MICROX-3VCP1.MICROX-3VCP3.txt
+    # give the DSS some time to process the above request
+    sleep 30
 }
 
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