Fix build

mirai-japt/src/test/kotlin/TestBlocking.kt

-import net.mamoe.mirai.Bot
-import net.mamoe.mirai.BotAccount
-import net.mamoe.mirai.japt.BlockingContacts
-import net.mamoe.mirai.network.protocol.tim.packet.login.LoginResult
-import java.io.File
-
-@ExperimentalUnsignedTypes
-private fun readTestAccount(): BotAccount? {
-    val file = File("testAccount.txt")
-    if (!file.exists() || !file.canRead()) {
-        return null
-    }
-
-    val lines = file.readLines()
-    return try {
-        BotAccount(lines[0].toUInt(), lines[1])
-    } catch (e: Exception) {
-        null
-    }
-}
-
-@ExperimentalUnsignedTypes
-suspend fun main() {
-    val bot = Bot(readTestAccount()!!)
-    if (bot.network.login() != LoginResult.SUCCESS) {
-        throw IllegalStateException("Login failed")
-    }
-
-    val createBlocking = BlockingContacts.createBlocking(bot.contacts.getQQ(123L))
-    println(createBlocking.queryRemark())
-}
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