Fix mistakes

tests/go/prog/test_lastword.go

@@ -10,7 +10,7 @@ func main() {
 		" lorem,ipsum ",
 	}
 
-	args = append(args, lib.MultRandWords())
+	args = append(args, lib.MultRandWords()...)
 
 	for _, v := range args {
 		lib.ChallengeMain("lastword", v)

tests/go/prog/test_nbrconvertalpha.go

@@ -8,14 +8,14 @@ import (
 )
 
 func main() {
-	table := []string{{
+	table := []string{
 		"--upper 8 5 25",
 		"8 5 12 12 15",
 		"12 5 7 5 14 56 4 1 18 25",
 		"12 5 7 5 14 56 4 1 18 25 32 86 h",
 		"32 86 h",
 		"",
-	}}
+	}
 	for i := 0; i < 5; i++ {
 		m := lib.MultRandIntBetween(1, 46)
 		s := ""