ETCM-531 renamed minute -> minutes

Author: Petra Bierleutgeb

src/test/scala/io/iohk/ethereum/blockchain/sync/CacheBasedBlacklistSpec.scala

@@ -56,8 +56,8 @@ class CacheBasedBlacklistSpec extends AnyWordSpecLike with Matchers {
       val blacklist = CacheBasedBlacklist(cache)
       blacklist.add(peer1, 1.minute, reason)
       blacklist.add(peer2, 10.minutes, reason)
-      blacklist.add(peer3, 3.minute, anotherReason)
-      blacklist.add(peer4, 2.minute, reason)
+      blacklist.add(peer3, 3.minutes, anotherReason)
+      blacklist.add(peer4, 2.minutes, reason)
       blacklist.add(peer5, 7.minutes, reason)
       ticker.advance(5, TimeUnit.MINUTES)
       val expected = Set(peer2, peer5)