diff --git a/src/test/kotlin/dev/usbharu/hideout/routing/activitypub/InboxRoutingKtTest.kt b/src/test/kotlin/dev/usbharu/hideout/routing/activitypub/InboxRoutingKtTest.kt
index 3ad053bf..05f8596f 100644
--- a/src/test/kotlin/dev/usbharu/hideout/routing/activitypub/InboxRoutingKtTest.kt
+++ b/src/test/kotlin/dev/usbharu/hideout/routing/activitypub/InboxRoutingKtTest.kt
@@ -1,4 +1,33 @@
 package dev.usbharu.hideout.routing.activitypub
+
+import com.fasterxml.jackson.annotation.JsonInclude
+import com.fasterxml.jackson.annotation.JsonSetter
+import com.fasterxml.jackson.annotation.Nulls
+import com.fasterxml.jackson.databind.DeserializationFeature
+import com.fasterxml.jackson.module.kotlin.jacksonObjectMapper
+import dev.usbharu.hideout.plugins.configureRouting
+import dev.usbharu.hideout.plugins.configureSerialization
+import io.ktor.client.request.*
+import io.ktor.client.statement.*
+import io.ktor.http.*
+import io.ktor.server.config.*
+import io.ktor.server.testing.*
+import org.junit.jupiter.api.Assertions
+import org.junit.jupiter.api.Test
+import org.mockito.kotlin.mock
+
 class InboxRoutingKtTest {
-  
+    @Test
+    fun `sharedInboxにGETしたら501が帰ってくる`() = testApplication {
+        environment {
+            config = ApplicationConfig("empty.conf")
+        }
+        application {
+            configureSerialization()
+            configureRouting(mock(), mock(), mock(), mock())
+        }
+        client.get("/inbox").let {
+            Assertions.assertEquals(HttpStatusCode.MethodNotAllowed, it.status)
+        }
+    }
 }
diff --git a/src/test/kotlin/dev/usbharu/hideout/routing/activitypub/UsersAPTest.kt b/src/test/kotlin/dev/usbharu/hideout/routing/activitypub/UsersAPTest.kt
index 32b6cb17..e09f504b 100644
--- a/src/test/kotlin/dev/usbharu/hideout/routing/activitypub/UsersAPTest.kt
+++ b/src/test/kotlin/dev/usbharu/hideout/routing/activitypub/UsersAPTest.kt
@@ -31,7 +31,7 @@ import kotlin.test.assertEquals
 class UsersAPTest {
 
     @Test()
-    fun `ユーザのURLにAcceptヘッダーをActivityにしてアクセスしたときPersonが返ってくるか`() = testApplication {
+    fun `ユーザのURLにAcceptヘッダーをActivityにしてアクセスしたときPersonが返ってくる`() = testApplication {
         environment {
             config = ApplicationConfig("empty.conf")
         }