Added more tests

src/ast/eachInstruction.go

@@ -9,13 +9,13 @@ func eachInstruction(tokens token.List, call func(token.List) error) error {
 	blockLevel := 0
 
 	for i, t := range tokens {
-		if start == i && t.Kind == token.NewLine {
-			start = i + 1
-			continue
-		}
-
 		switch t.Kind {
 		case token.NewLine:
+			if start == i {
+				start = i + 1
+				continue
+			}
+
 			if groupLevel > 0 || blockLevel > 0 {
 				continue
 			}