diff --git a/buildroot/tests/mega2560 b/buildroot/tests/mega2560
index 7cac8b13b015..f10c87a0b048 100755
--- a/buildroot/tests/mega2560
+++ b/buildroot/tests/mega2560
@@ -53,7 +53,6 @@ opt_enable REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER LIGHTWEIGHT_UI SHOW_CUS
 opt_disable SEGMENT_LEVELED_MOVES
 exec_test $1 $2 "Azteeg X3 Pro | EXTRUDERS 5 | RRDFGSC | UBL | LIN_ADVANCE | Sled Probe | Skew | JP-Kana | Babystep offsets ..." "$3"
 
-
 #
 # 5 runout sensors with distinct states
 #
@@ -70,6 +69,19 @@ opt_enable VIKI2 BOOT_MARLIN_LOGO_ANIMATED SDSUPPORT AUTO_REPORT_SD_STATUS \
            FILAMENT_RUNOUT_SENSOR NOZZLE_PARK_FEATURE ADVANCED_PAUSE_FEATURE Z_SAFE_HOMING FIL_RUNOUT3_PULLUP
 exec_test $1 $2 "Multiple runout sensors (x5) | Distinct runout states" "$3"
 
+#
+# Extruder Only. No XYZ axes at all.
+#
+restore_configs
+opt_set DEFAULT_AXIS_STEPS_PER_UNIT '{ 4000 }' \
+        DEFAULT_MAX_FEEDRATE '{ 5 }' \
+        DEFAULT_MAX_ACCELERATION '{ 100 }' \
+        MANUAL_FEEDRATE '{ 4*60 }' \
+        AXIS_RELATIVE_MODES '{ false }' \
+        HOMING_BUMP_MM '{}' HOMING_BUMP_DIVISOR '{}' HOMING_FEEDRATE_MM_M '{}'
+opt_enable REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER
+opt_disable X_DRIVER_TYPE Y_DRIVER_TYPE Z_DRIVER_TYPE
+exec_test $1 $2 "X Axis Only | DOGM MarlinUI" "$3"
 
 #
 # Mixing Extruder with 5 steppers, Greek
@@ -126,7 +138,7 @@ exec_test $1 $2 "Azteeg X3 | Mixing Extruder (x5) | Gradient Mix | Input Shaping
 #opt_set MOTHERBOARD BOARD_RIGIDBOARD_V2
 #opt_enable REPRAP_DISCOUNT_SMART_CONTROLLER SDSUPPORT BABYSTEPPING DAC_MOTOR_CURRENT_DEFAULT
 #exec_test $1 $2 "Stuff" "$3"
-# #
+#
 # G3D_PANEL with SDCARD_SORT_ALPHA and STATUS_MESSAGE_SCROLLING
 #
 #restore_configs
@@ -177,9 +189,9 @@ exec_test $1 $2 "Azteeg X3 | Mixing Extruder (x5) | Gradient Mix | Input Shaping
 #opt_enable LCM1602
 #exec_test $1 $2 "Stuff" "$3"
 
-# #
-# # Test Laser features with 12864 LCD
-# #
+#
+# Test Laser features with 12864 LCD
+#
 # restore_configs
 # opt_set MOTHERBOARD BOARD_RAMPS_14_EFB EXTRUDERS 0 LCD_LANGUAGE en TEMP_SENSOR_COOLER 1 TEMP_SENSOR_1 0 SERIAL_PORT_2 2 \
 #         DEFAULT_AXIS_STEPS_PER_UNIT '{ 80, 80, 400 }' \
@@ -191,9 +203,9 @@ exec_test $1 $2 "Azteeg X3 | Mixing Extruder (x5) | Gradient Mix | Input Shaping
 #            LASER_FEATURE LASER_SAFETY_TIMEOUT_MS LASER_COOLANT_FLOW_METER AIR_EVACUATION AIR_EVACUATION_PIN AIR_ASSIST AIR_ASSIST_PIN LASER_SYNCHRONOUS_M106_M107
 # exec_test $1 $2 "MEGA2560 RAMPS | Laser Options | 12864 | Meatpack | Fan Sync | SERIAL_PORT_2 " "$3"
 
-# #
-# # Test Laser features with 44780 LCD
-# #
+#
+# Test Laser features with 44780 LCD
+#
 # restore_configs
 # opt_set MOTHERBOARD BOARD_RAMPS_14_EFB EXTRUDERS 0 LCD_LANGUAGE en TEMP_SENSOR_COOLER 1 TEMP_SENSOR_1 0 \
 #         DEFAULT_AXIS_STEPS_PER_UNIT '{ 80, 80, 400 }' \
@@ -205,9 +217,9 @@ exec_test $1 $2 "Azteeg X3 | Mixing Extruder (x5) | Gradient Mix | Input Shaping
 #            LASER_FEATURE LASER_SAFETY_TIMEOUT_MS LASER_COOLANT_FLOW_METER AIR_EVACUATION AIR_EVACUATION_PIN AIR_ASSIST AIR_ASSIST_PIN
 # exec_test $1 $2 "MEGA2560 RAMPS | Laser Feature | Air Evacuation | Air Assist | Cooler | Laser Safety Timeout | Flowmeter | 44780 LCD " "$3"
 
-# #
-# # Test redundant temperature sensors + MAX TC + Backlight Timeout
-# #
+#
+# Test redundant temperature sensors + MAX TC + Backlight Timeout
+#
 # restore_configs
 # opt_set MOTHERBOARD BOARD_RAMPS_14_EFB EXTRUDERS 1 \
 #         TEMP_SENSOR_0 -2 TEMP_SENSOR_REDUNDANT -2 \
@@ -218,9 +230,9 @@ exec_test $1 $2 "Azteeg X3 | Mixing Extruder (x5) | Gradient Mix | Input Shaping
 # opt_disable PIDTEMP
 # exec_test $1 $2 "MEGA2560 RAMPS | Redundant temperature sensor | 2x MAX6675 | BL Timeout" "$3"
 
-# #
-# # Polargraph Config
-# #
+#
+# Polargraph Config
+#
 # use_example_configs Polargraph
 # exec_test $1 $2 "RUMBA | POLARGRAPH | RRD LCD" "$3"