Update platform tests to use '.test' folder

buildroot/bin/env_backup

@@ -2,13 +2,13 @@
 
 [ -z "$1" ] || cd $1
 
-if [ -d ".test" ]; then
+if [ -d .test ]; then
   printf "\033[0;31mEnvironment backup already exists!\033[0m\n"
 else
   mkdir .test
+  cp -r Marlin/src/pins .test/pins
   cp Marlin/Configuration*.h .test/
   [ -f Marlin/_Bootscreen.h ] && cp Marlin/_Bootscreen.h .test/
   [ -f Marlin/_Statusscreen.h ] && cp Marlin/_Statusscreen.h .test/
-  cp -r Marlin/src/pins .test/pins
   printf "\033[0;32mEnvironment Backup created\033[0m\n"
 fi