fix for the unittest

Author: madneal

go/analysis/unitchecker/unitchecker_test.go

@@ -105,6 +105,7 @@ func _() {
 		"findcall": \[
 			\{
 				"posn": "([/._\-a-zA-Z0-9]+[\\/]fake[\\/])?a/a.go:4:11",
+				"end_posn": "-",
 				"message": "call of MyFunc123\(...\)",
 				"suggested_fixes": \[
 					\{
@@ -130,6 +131,7 @@ func _() {
 		"assign": \[
 			\{
 				"posn": "([/._\-a-zA-Z0-9]+[\\/]fake[\\/])?c/c.go:5:5",
+				"end_posn": "-",
 				"message": "self-assignment of i to i",
 				"suggested_fixes": \[
 					\{