add broken test

spice/lib/Draft1.asc

@@ -0,0 +1,29 @@
+Version 4.1
+SHEET 1 880 680
+WIRE 368 -48 304 -48
+WIRE 304 -32 304 -48
+WIRE 304 -32 128 -32
+WIRE 368 0 336 0
+WIRE 336 32 336 0
+WIRE 336 32 128 32
+WIRE 368 48 304 48
+WIRE 304 96 304 48
+WIRE 304 96 128 96
+WIRE 368 96 336 96
+WIRE 336 112 336 96
+WIRE 336 112 224 112
+WIRE 224 176 224 112
+WIRE 224 176 128 176
+WIRE 368 240 368 144
+WIRE 368 240 128 240
+FLAG -256 144 0
+SYMBOL input-and-filters 48 96 R0
+SYMATTR InstName X1
+SYMBOL summing 448 32 R0
+SYMATTR InstName X2
+SYMBOL voltage -256 48 R0
+WINDOW 123 0 0 Left 0
+WINDOW 39 0 0 Left 0
+SYMATTR InstName V1
+SYMATTR Value SINE(0 15 300)
+TEXT -288 272 Left 2 !.tran 5