diff --git a/accounts_test.go b/accounts_test.go
index 9f99a8d..0461bae 100644
--- a/accounts_test.go
+++ b/accounts_test.go
@@ -140,8 +140,12 @@ func TestGetAccountStatuses(t *testing.T) {
 	}
 }
 
-func TestGetBlocks(t *testing.T) {
+func TestGetAccountFollowers(t *testing.T) {
 	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		if r.URL.Path != "/api/v1/accounts/1234567/followers" {
+			http.Error(w, http.StatusText(http.StatusNotFound), http.StatusNotFound)
+			return
+		}
 		fmt.Fprintln(w, `[{"Username": "foo"}, {"Username": "bar"}]`)
 		return
 	}))
@@ -153,6 +157,84 @@ func TestGetBlocks(t *testing.T) {
 		ClientSecret: "bar",
 		AccessToken:  "zoo",
 	})
+	_, err := client.GetAccountFollowers(context.Background(), 123)
+	if err == nil {
+		t.Fatalf("should be fail: %v", err)
+	}
+	fl, err := client.GetAccountFollowers(context.Background(), 1234567)
+	if err != nil {
+		t.Fatalf("should not be fail: %v", err)
+	}
+	if len(fl) != 2 {
+		t.Fatalf("result should be two: %d", len(fl))
+	}
+	if fl[0].Username != "foo" {
+		t.Fatalf("want %q but %q", "foo", fl[0].Username)
+	}
+	if fl[1].Username != "bar" {
+		t.Fatalf("want %q but %q", "bar", fl[1].Username)
+	}
+}
+
+func TestGetAccountFollowing(t *testing.T) {
+	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		if r.URL.Path != "/api/v1/accounts/1234567/following" {
+			http.Error(w, http.StatusText(http.StatusNotFound), http.StatusNotFound)
+			return
+		}
+		fmt.Fprintln(w, `[{"Username": "foo"}, {"Username": "bar"}]`)
+		return
+	}))
+	defer ts.Close()
+
+	client := NewClient(&Config{
+		Server:       ts.URL,
+		ClientID:     "foo",
+		ClientSecret: "bar",
+		AccessToken:  "zoo",
+	})
+	fl, err := client.GetAccountFollowing(context.Background(), 123)
+	if err == nil {
+		t.Fatalf("should be fail: %v", err)
+	}
+	fl, err = client.GetAccountFollowing(context.Background(), 1234567)
+	if err != nil {
+		t.Fatalf("should not be fail: %v", err)
+	}
+	if len(fl) != 2 {
+		t.Fatalf("result should be two: %d", len(fl))
+	}
+	if fl[0].Username != "foo" {
+		t.Fatalf("want %q but %q", "foo", fl[0].Username)
+	}
+	if fl[1].Username != "bar" {
+		t.Fatalf("want %q but %q", "bar", fl[1].Username)
+	}
+}
+
+func TestGetBlocks(t *testing.T) {
+	canErr := true
+	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		if canErr {
+			canErr = false
+			http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
+			return
+		}
+		fmt.Fprintln(w, `[{"Username": "foo"}, {"Username": "bar"}]`)
+		return
+	}))
+	defer ts.Close()
+
+	client := NewClient(&Config{
+		Server:       ts.URL,
+		ClientID:     "foo",
+		ClientSecret: "bar",
+		AccessToken:  "zoo",
+	})
+	_, err := client.GetBlocks(context.Background())
+	if err == nil {
+		t.Fatalf("should be fail: %v", err)
+	}
 	bl, err := client.GetBlocks(context.Background())
 	if err != nil {
 		t.Fatalf("should not be fail: %v", err)
diff --git a/mastodon_test.go b/mastodon_test.go
index abde791..8005b75 100644
--- a/mastodon_test.go
+++ b/mastodon_test.go
@@ -125,39 +125,3 @@ func TestForTheCoverages(t *testing.T) {
 	(*ErrorEvent)(nil).event()
 	_ = (&ErrorEvent{io.EOF}).Error()
 }
-
-func TestGetAccountFollowing(t *testing.T) {
-	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
-		if r.URL.Path != "/api/v1/accounts/1234567/following" {
-			http.Error(w, http.StatusText(http.StatusNotFound), http.StatusNotFound)
-			return
-		}
-		fmt.Fprintln(w, `[{"Username": "foo"}, {"Username": "bar"}]`)
-		return
-	}))
-	defer ts.Close()
-
-	client := NewClient(&Config{
-		Server:       ts.URL,
-		ClientID:     "foo",
-		ClientSecret: "bar",
-		AccessToken:  "zoo",
-	})
-	fl, err := client.GetAccountFollowing(context.Background(), 123)
-	if err == nil {
-		t.Fatalf("should not be fail: %v", err)
-	}
-	fl, err = client.GetAccountFollowing(context.Background(), 1234567)
-	if err != nil {
-		t.Fatalf("should not be fail: %v", err)
-	}
-	if len(fl) != 2 {
-		t.Fatalf("result should be two: %d", len(fl))
-	}
-	if fl[0].Username != "foo" {
-		t.Fatalf("want %q but %q", "foo", fl[0].Username)
-	}
-	if fl[1].Username != "bar" {
-		t.Fatalf("want %q but %q", "bar", fl[1].Username)
-	}
-}