Removing tutorial tests (#11170)

* removing tutorial tests

Removing tutorial tests for now until we figure out why they started failing so much

* extend sleep time to > 1s

Jenkinsfile

@@ -824,28 +824,6 @@ try {
           }
         }
       }
-    },
-    'tutorial tests Python 2 GPU': {
-      node('mxnetlinux-gpu') {
-        ws('workspace/it-tutorials-py2') {
-          timeout(time: max_time, unit: 'MINUTES') {
-            init_git()
-            unpack_lib('gpu')
-            docker_run('ubuntu_gpu', 'tutorialtest_ubuntu_python2_gpu', true, '3g')
-          }
-        }
-      }
-    },
-    'tutorial tests Python 3 GPU': {
-      node('mxnetlinux-gpu') {
-        ws('workspace/it-tutorials-py3') {
-          timeout(time: max_time, unit: 'MINUTES') {
-            init_git()
-            unpack_lib('gpu')
-            docker_run('ubuntu_gpu', 'tutorialtest_ubuntu_python3_gpu', true, '3g')
-          }
-        }
-      }
     }
   }
 

tests/tutorials/test_tutorials.py

@@ -79,7 +79,10 @@ def _test_tutorial_nb(tutorial):
         os.makedirs(working_dir)
     try:
         notebook = nbformat.read(tutorial_path + '.ipynb', as_version=IPYTHON_VERSION)
-        time.sleep(0.5) # Adding a small delay to allow time for sockets to be freed
+        # Adding a small delay to allow time for sockets to be freed
+        # stop-gap measure to battle the 1000ms linger of socket hard coded
+        # in the kernel API code
+        time.sleep(1.1) 
         if kernel is not None:
             eprocessor = ExecutePreprocessor(timeout=TIME_OUT, kernel_name=kernel)
         else: