Tweak env build test scripts

buildroot/bin/env_backup

@@ -1,24 +1,14 @@
 #!/usr/bin/env bash
 
-if [ ! -z "$1" ]; then
-    cd $1
-fi
+[ -z "$1" ] || cd $1
 
 if [ -d ".test" ]; then
   printf "\033[0;31mEnvironment backup already exists!\033[0m\n"
 else
   mkdir .test
-  cp Marlin/Configuration.h .test/Configuration.h
-  cp Marlin/Configuration_adv.h .test/Configuration_adv.h
-
-  if [ -f Marlin/_Bootscreen.h ]; then
-    cp Marlin/_Bootscreen.h .test/_Bootscreen.h
-  fi
-
-  if [ -f Marlin/_Statusscreen.h ]; then
-    cp Marlin/_Statusscreen.h .test/_Statusscreen.h
-  fi
-
+  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