Added test for errors in component labels.

tests/board_samples/error_field.sch

@@ -0,0 +1,28 @@
+EESchema Schematic File Version 4
+EELAYER 30 0
+EELAYER END
+$Descr A4 11693 8268
+encoding utf-8
+Sheet 1 1
+Title ""
+Date ""
+Rev ""
+Comp ""
+Comment1 ""
+Comment2 ""
+Comment3 ""
+Comment4 ""
+$EndDescr
+$Comp
+L Connector:Conn_01x06_Male J1
+U 1 1 5F170FD6
+P 2950 2150
+F 0 "J1" H 3058 2531 50  0000 C
+F 1 "Bizarre Bus" H 3058 2440 50  0000 C CNN
+F 2 "Connector_PinHeader_2.54mm:PinHeader_1x06_P2.54mm_Vertical" H 2950 2150 50  0001 C CNN
+F 3 "~" H 2950 2150 50  0001 C CNN
+F 4 "1x6" H 2950 2150 50  0001 C CNN "Description"
+	1    2950 2150
+	1    0    0    -1  
+$EndComp
+$EndSCHEMATC

tests/board_samples/error_field_name.sch

@@ -0,0 +1,28 @@
+EESchema Schematic File Version 4
+EELAYER 30 0
+EELAYER END
+$Descr A4 11693 8268
+encoding utf-8
+Sheet 1 1
+Title ""
+Date ""
+Rev ""
+Comp ""
+Comment1 ""
+Comment2 ""
+Comment3 ""
+Comment4 ""
+$EndDescr
+$Comp
+L Connector:Conn_01x06_Male J1
+U 1 1 5F170FD6
+P 2950 2150
+F 0 "J1" H 3058 2531 50  0000 C CNN
+F 1 "Bizarre Bus" H 3058 2440 50  0000 C CNN
+F 2 "Connector_PinHeader_2.54mm:PinHeader_1x06_P2.54mm_Vertical" H 2950 2150 50  0001 C CNN
+F 3 "~" H 2950 2150 50  0001 C CNN
+F 4 "1x6" H 2950 2150 50  0001 C CNN
+	1    2950 2150
+	1    0    0    -1  
+$EndComp
+$EndSCHEMATC

tests/board_samples/l9.lib

@@ -15,7 +15,7 @@ $ENDFPLIST
 DRAW
 S -40 -100 40 100 0 1 10 N
 X ~ 1 0 150 50 D 50 50 1 1 P
-X ~ 2 0 -150 50 U 50 50 1 1 P
+X ~ 2 0 -150 50 U 50 50 1 1
 ENDDRAW
 ENDDEF
 #

tests/test_plot/test_sch_errors.py

@@ -83,3 +83,11 @@ def test_sch_errors_l8():
 def test_sch_errors_l9():
     setup_ctx('l9', 'error_l9', 'Missing DCM signature')
 
+
+def test_sch_errors_field():
+    setup_ctx('field', 'error_field', 'Malformed component field')
+
+
+def test_sch_errors_field_name():
+    setup_ctx('field_name', 'error_field_name', 'Missing component field name')
+