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

tests/test_tclCommands/__init__.py

@@ -0,0 +1,18 @@
+import pkgutil
+import sys
+
+# allowed command tests (please append them alphabetically ordered)
+from test_TclCommandAddPolygon import *
+from test_TclCommandAddPolyline import *
+from test_TclCommandCncjob import *
+from test_TclCommandDrillcncjob import *
+from test_TclCommandExportGcode import *
+from test_TclCommandExteriors import *
+from test_TclCommandImportSvg import *
+from test_TclCommandInteriors import *
+from test_TclCommandIsolate import *
+from test_TclCommandNew import *
+from test_TclCommandNewGeometry  import *
+from test_TclCommandOpenExcellon import *
+from test_TclCommandOpenGerber import *
+from test_TclCommandPaintPolygon import *