Added failing test for disconnected monitors

tests/fixtures/fisa_sample.txt

@@ -0,0 +1,66 @@
+Screen 0: minimum 8 x 8, current 1920 x 2158, maximum 32767 x 32767
+eDP-1-1 connected 1920x1080+0+1078 (normal left inverted right x axis y axis) 309mm x 173mm
+   1920x1080     60.01*+  60.01    59.97    59.96    59.93    40.00  
+   1680x1050     59.95    59.88  
+   1600x1024     60.17  
+   1400x1050     59.98  
+   1600x900      59.99    59.94    59.95    59.82  
+   1280x1024     60.02  
+   1440x900      59.89  
+   1400x900      59.96    59.88  
+   1280x960      60.00  
+   1440x810      60.00    59.97  
+   1368x768      59.88    59.85  
+   1360x768      59.80    59.96  
+   1280x800      59.99    59.97    59.81    59.91  
+   1152x864      60.00  
+   1280x720      60.00    59.99    59.86    59.74  
+   1024x768      60.04    60.00  
+   960x720       60.00  
+   928x696       60.05  
+   896x672       60.01  
+   1024x576      59.95    59.96    59.90    59.82  
+   960x600       59.93    60.00  
+   960x540       59.96    59.99    59.63    59.82  
+   800x600       60.00    60.32    56.25  
+   840x525       60.01    59.88  
+   864x486       59.92    59.57  
+   800x512       60.17  
+   700x525       59.98  
+   800x450       59.95    59.82  
+   640x512       60.02  
+   720x450       59.89  
+   700x450       59.96    59.88  
+   640x480       60.00    59.94  
+   720x405       59.51    58.99  
+   684x384       59.88    59.85  
+   680x384       59.80    59.96  
+   640x400       59.88    59.98  
+   576x432       60.06  
+   640x360       59.86    59.83    59.84    59.32  
+   512x384       60.00  
+   512x288       60.00    59.92  
+   480x270       59.63    59.82  
+   400x300       60.32    56.34  
+   432x243       59.92    59.57  
+   320x240       60.05  
+   360x202       59.51    59.13  
+   320x180       59.84    59.32  
+DP-1-1 connected primary 1920x1080+0+0 (normal left inverted right x axis y axis) 480mm x 270mm
+   1920x1080     74.97*+  60.00    50.00    59.94  
+   1680x1050     59.88  
+   1400x1050     59.95  
+   1600x900      60.00  
+   1280x1024     75.02    60.02  
+   1440x900      59.90  
+   1280x800      59.91  
+   1152x864      75.00  
+   1280x720      60.00    50.00    59.94  
+   1024x768      75.03    60.00  
+   800x600       75.00    60.32  
+   720x576       50.00  
+   720x480       60.00    59.94  
+   640x480       75.00    60.00    59.94  
+   720x400       70.08  
+HDMI-1-1 disconnected (normal left inverted right x axis y axis)
+HDMI-1-2 disconnected (normal left inverted right x axis y axis)

tests/test_xrandr.py

@@ -6,3 +6,8 @@ def test_parse_data(test_data):
     monitors = parse_data(data)
     assert len(monitors) == 2
     assert [m.output for m in monitors] == ["eDP", "HDMI-A-0"]
+
+
+def test_parse_with_disconnected_monitors(test_data):
+    data = test_data.read("fisa_sample.txt", deserialize=False).splitlines()
+    parse_data(data)