diff --git a/5.92/api/board.go b/5.92/api/board.go
index 0a4b1318..d87d9054 100644
--- a/5.92/api/board.go
+++ b/5.92/api/board.go
@@ -136,7 +136,7 @@ func (vk *VK) BoardGetCommentsExtended(params map[string]string) (response Board
 type BoardGetTopicsResponse struct {
 	Count        int                 `json:"count"`
 	Items        []object.BoardTopic `json:"items"`
-	DefaultOrder int                 `json:"default_order"`
+	DefaultOrder float64             `json:"default_order"` // BUG(VK): default_order int
 	CanAddTopics int                 `json:"can_add_topics"`
 }
 
@@ -155,7 +155,7 @@ func (vk *VK) BoardGetTopics(params map[string]string) (response BoardGetTopicsR
 type BoardGetTopicsExtendedResponse struct {
 	Count        int                  `json:"count"`
 	Items        []object.BoardTopic  `json:"items"`
-	DefaultOrder int                  `json:"default_order"`
+	DefaultOrder float64              `json:"default_order"` // BUG(VK): default_order int
 	CanAddTopics int                  `json:"can_add_topics"`
 	Profiles     []object.UsersUser   `json:"profiles"`
 	Groups       []object.GroupsGroup `json:"groups"`
@@ -195,12 +195,12 @@ func (vk *VK) BoardRestoreComment(params map[string]string) (response BoardResto
 }
 
 // BoardUnfixTopicRResponse struct
-type BoardUnfixTopicRResponse int
+type BoardUnfixTopicResponse int
 
 // BoardUnfixTopicR unpins a pinned topic from the top of a community's discussion board.
 //
 // https://vk.com/dev/board.unfixTopic
-func (vk *VK) BoardUnfixTopicR(params map[string]string) (response BoardUnfixTopicRResponse, vkErr Error) {
+func (vk *VK) BoardUnfixTopic(params map[string]string) (response BoardUnfixTopicResponse, vkErr Error) {
 	vk.RequestUnmarshal("board.unfixTopic", params, &response, &vkErr)
 	return
 }
diff --git a/5.92/api/board_test.go b/5.92/api/board_test.go
new file mode 100644
index 00000000..69c5f0ac
--- /dev/null
+++ b/5.92/api/board_test.go
@@ -0,0 +1,150 @@
+package api
+
+import (
+	"strconv"
+	"testing"
+)
+
+func TestVK_BoardAddTopic(t *testing.T) {
+	if vkUser.AccessToken == "" {
+		t.Skip("USER_TOKEN empty")
+	}
+
+	topic, gotVkErr := vkUser.BoardAddTopic(map[string]string{
+		"group_id": strconv.Itoa(vkGroupID),
+		"title":    "Test topic",
+		"text":     "Test",
+	})
+	if gotVkErr.Code != 0 {
+		t.Errorf("VK.BoardAddTopic() gotVkErr = %v, want %v", gotVkErr, 0)
+	}
+
+	_, gotVkErr = vkUser.BoardCloseTopic(map[string]string{
+		"group_id": strconv.Itoa(vkGroupID),
+		"topic_id": strconv.Itoa(int(topic)),
+	})
+	if gotVkErr.Code != 0 {
+		t.Errorf("VK.BoardCloseTopic() gotVkErr = %v, want %v", gotVkErr, 0)
+	}
+
+	_, gotVkErr = vkUser.BoardOpenTopic(map[string]string{
+		"group_id": strconv.Itoa(vkGroupID),
+		"topic_id": strconv.Itoa(int(topic)),
+	})
+	if gotVkErr.Code != 0 {
+		t.Errorf("VK.BoardOpenTopic() gotVkErr = %v, want %v", gotVkErr, 0)
+	}
+
+	_, gotVkErr = vkUser.BoardEditTopic(map[string]string{
+		"group_id": strconv.Itoa(vkGroupID),
+		"topic_id": strconv.Itoa(int(topic)),
+		"title":    "Test topic edited",
+		"text":     "Test edited",
+	})
+	if gotVkErr.Code != 0 {
+		t.Errorf("VK.BoardEditTopic() gotVkErr = %v, want %v", gotVkErr, 0)
+	}
+
+	_, gotVkErr = vkUser.BoardFixTopic(map[string]string{
+		"group_id": strconv.Itoa(vkGroupID),
+		"topic_id": strconv.Itoa(int(topic)),
+	})
+	if gotVkErr.Code != 0 {
+		t.Errorf("VK.BoardFixTopic() gotVkErr = %v, want %v", gotVkErr, 0)
+	}
+
+	_, gotVkErr = vkUser.BoardUnfixTopic(map[string]string{
+		"group_id": strconv.Itoa(vkGroupID),
+		"topic_id": strconv.Itoa(int(topic)),
+	})
+	if gotVkErr.Code != 0 {
+		t.Errorf("VK.BoardUnfixTopic() gotVkErr = %v, want %v", gotVkErr, 0)
+	}
+
+	comment, gotVkErr := vkUser.BoardCreateComment(map[string]string{
+		"group_id": strconv.Itoa(vkGroupID),
+		"topic_id": strconv.Itoa(int(topic)),
+		"message":  "topic comment",
+	})
+	if gotVkErr.Code != 0 {
+		t.Errorf("VK.BoardCreateComment() gotVkErr = %v, want %v", gotVkErr, 0)
+	}
+
+	_, gotVkErr = vkUser.BoardEditComment(map[string]string{
+		"group_id":   strconv.Itoa(vkGroupID),
+		"topic_id":   strconv.Itoa(int(topic)),
+		"comment_id": strconv.Itoa(int(comment)),
+		"message":    "topic comment",
+	})
+	if gotVkErr.Code != 0 {
+		t.Errorf("VK.BoardEditComment() gotVkErr = %v, want %v", gotVkErr, 0)
+	}
+
+	_, gotVkErr = vkUser.BoardDeleteComment(map[string]string{
+		"group_id":   strconv.Itoa(vkGroupID),
+		"topic_id":   strconv.Itoa(int(topic)),
+		"comment_id": strconv.Itoa(int(comment)),
+	})
+	if gotVkErr.Code != 0 {
+		t.Errorf("VK.BoardDeleteComment() gotVkErr = %v, want %v", gotVkErr, 0)
+	}
+
+	_, gotVkErr = vkUser.BoardRestoreComment(map[string]string{
+		"group_id":   strconv.Itoa(vkGroupID),
+		"topic_id":   strconv.Itoa(int(topic)),
+		"comment_id": strconv.Itoa(int(comment)),
+	})
+	if gotVkErr.Code != 0 {
+		t.Errorf("VK.BoardRestoreComment() gotVkErr = %v, want %v", gotVkErr, 0)
+	}
+
+	_, gotVkErr = vkUser.BoardDeleteTopic(map[string]string{
+		"group_id": strconv.Itoa(vkGroupID),
+		"topic_id": strconv.Itoa(int(topic)),
+	})
+	if gotVkErr.Code != 0 {
+		t.Errorf("VK.BoardDeleteTopic() gotVkErr = %v, want %v", gotVkErr, 0)
+	}
+}
+
+func TestVK_BoardGetComments(t *testing.T) {
+	if vkUser.AccessToken == "" {
+		t.Skip("USER_TOKEN empty")
+	}
+
+	params := map[string]string{
+		"group_id": "1",
+		"topic_id": "21972169",
+	}
+
+	_, gotVkErr := vkUser.BoardGetComments(params)
+	if gotVkErr.Code != 0 {
+		t.Errorf("VK.BoardGetComments() gotVkErr = %v, want %v", gotVkErr, 0)
+	}
+
+	_, gotVkErr = vkUser.BoardGetCommentsExtended(params)
+	if gotVkErr.Code != 0 {
+		t.Errorf("VK.BoardGetCommentsExtended() gotVkErr = %v, want %v", gotVkErr, 0)
+	}
+}
+
+func TestVK_BoardGetTopics(t *testing.T) {
+	if vkUser.AccessToken == "" {
+		t.Skip("USER_TOKEN empty")
+	}
+
+	params := map[string]string{
+		"group_id": "1",
+		"topic_id": "21972169",
+	}
+
+	_, gotVkErr := vkUser.BoardGetTopics(params)
+	if gotVkErr.Code != 0 {
+		t.Errorf("VK.BoardGetTopics() gotVkErr = %v, want %v", gotVkErr, 0)
+	}
+
+	_, gotVkErr = vkUser.BoardGetTopicsExtended(params)
+	if gotVkErr.Code != 0 {
+		t.Errorf("VK.BoardGetTopicsExtended() gotVkErr = %v, want %v", gotVkErr, 0)
+	}
+}