TST: Add code execution test

Author: parente

test_spylon_kernel_jkt.py

@@ -40,6 +40,14 @@ class SpylonKernelTests(jupyter_kernel_test.KernelTests):
 
     code_generate_error = "4 / 0"
 
+    code_execute_result = [{
+        'code': 'val x = 1',
+        'result': 'x: Int = 1\n'
+    }, {
+        'code': 'val y = 1 to 3',
+        'result': 'y: scala.collection.immutable.Range.Inclusive = Range(1, 2, 3)\n'
+    }]
+
     spark_configured = False
 
     def setUp(self):