update test plan

Author: tyeth

testplan.md

@@ -3,5 +3,11 @@ copy and analyse the hex difference for a corrupted file system versus freshly s
 retest first secrets.json acces on a new device on tinyUF2 0.18.2 and WS 88, versus tinyUF2 0.20.1 and WS88, then with no-ds-format-nor-file-recreation instead of WS88
 
 then add the metro-s3
+Update step images in ws_boards for metro-s3
 
-then add FTH2221A?
+then add FT usb-to-gpio to ws_python
+
+
+Test ws_boards c6-aVref branch (esp32 aref=1.1 instead of 3.3, and C6 from 1.1 to 2.5v)
+
+Fix pin numbers + names for Metro S2 (all digital etc, tx/rx and D1 [etc] seem wrong, analog5 is wrong etc)