Cleaned up tests for shell. Added test steps for gerber flow.

tests/test_tclCommands/test_TclCommandDrillcncjob.py

@@ -0,0 +1,18 @@
+from FlatCAMObj import FlatCAMObj
+from test_TclCommandOpenExcellon import *
+
+
+def test_drillcncjob(self):
+    """
+    Test cncjob
+    :param self:
+    :return:
+    """
+    # reuse open excellontests
+    test_open_excellon(self)
+
+    self.fc.exec_command_test('drillcncjob %s -tools all -drillz 0.5 -travelz 3 -feedrate 300'
+                              % self.excellon_name)
+    cam_top_obj = self.fc.collection.get_by_name(self.excellon_name + '_cnc')
+    self.assertTrue(isinstance(cam_top_obj, FlatCAMObj), "Expected FlatCAMObj, instead, %s is %s"
+                    % (self.excellon_name + '_cnc', type(cam_top_obj)))