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

tests/test_tclCommands/test_TclCommandIsolate.py

@@ -0,0 +1,21 @@
+from FlatCAMObj import FlatCAMGerber, FlatCAMGeometry
+
+
+def test_isolate(self):
+    """
+    Test isolate gerber
+    :param self:
+    :return:
+    """
+
+    self.fc.exec_command_test('open_gerber %s/%s -outname %s'
+                              % (self.gerber_files, self.copper_top_filename, self.gerber_top_name))
+    gerber_top_obj = self.fc.collection.get_by_name(self.gerber_top_name)
+    self.assertTrue(isinstance(gerber_top_obj, FlatCAMGerber), "Expected FlatCAMGerber, instead, %s is %s"
+                    % (self.gerber_top_name, type(gerber_top_obj)))
+
+    # isolate traces
+    self.fc.exec_command_test('isolate %s -dia %f' % (self.gerber_top_name, self.engraver_diameter))
+    geometry_top_obj = self.fc.collection.get_by_name(self.gerber_top_name+'_iso')
+    self.assertTrue(isinstance(geometry_top_obj, FlatCAMGeometry), "Expected FlatCAMGeometry, instead, %s is %s"
+                    % (self.gerber_top_name+'_iso', type(geometry_top_obj)))