Testing: include a simple COM patch test.

Author: PMeira

tests/test_com_patch.py

@@ -0,0 +1,18 @@
+import os
+old_dir = os.getcwd()
+#com = win32com.client.Dispatch("OpenDSSEngine.DSS")
+
+import win32com.client, dss
+com = dss.patch_dss_com(win32com.client.gencache.EnsureDispatch("OpenDSSEngine.DSS"))
+
+os.chdir(old_dir)
+com.Text.Command = 'redirect ../../electricdss-tst/Version7/Distrib/IEEETestCases/13Bus/IEEE13Nodeckt.dss'
+
+# Make sure our iterators work
+for l in com.ActiveCircuit.Loads:
+    print(l.Name, l.kva)
+    
+    
+for b in com.ActiveCircuit.ActiveBus:
+    print(b.Name, b.x, b.y)
+