Fix UTs

Author: plutov

README.md

@@ -68,6 +68,7 @@ client.GetEntity("favorite_city")
 Update:
 ```go
 client.UpdateEntity("favorite_city", witai.Entity{
+	ID:  "my_entity_id",
 	Doc: "My favorite city",
 })
 ```
@@ -110,12 +111,20 @@ Validate samples (sentence + entities annotations) to train your app programmati
 ```go
 client.ValidateSamples([]witai.Sample{
 	Sample{
-		Text: "I live in HCMC",
+		Text: "I want to fly SFO",
+		Entities: []SampleEntity{
+			{
+				Entity: "wit$location",
+				Value:  "SFO",
+				Start:  17,
+				End:    20,
+			},
+		},
 	},
 })
 ```
 
-Get validate samples:
+Get samples:
 ```go
 limit := 10
 offset := 0

integration_test.go

@@ -23,7 +23,7 @@ var (
 		Lang:        "en",
 	}
 	integrationEntityUpdateFields = Entity{
-		Name:    "integration_entity_id",
+		ID:      "integration_entity_id",
 		Lookups: []string{"keywords"},
 		Doc:     "integration_entity_doc_updated",
 	}
@@ -168,33 +168,28 @@ func TestIntegrationSamples(t *testing.T) {
 	// cleanup
 	c.DeleteSamples([]Sample{
 		{
-			Text: "I want to fly SFO",
+			Text: "I want to fly to SFO",
 		},
 	})
 
 	// Deletion takes time
 	time.Sleep(time.Second * 5)
 
 	// samples test
-	start := 17
-	end := 20
-	_, validateErr := c.ValidateSamples([]Sample{
+	res, validateErr := c.ValidateSamples([]Sample{
 		{
-			Text: "I want to fly SFO",
+			Text: "I want to fly to SFO",
 			Entities: []SampleEntity{
-				{
-					Entity: "intent",
-					Value:  "flight_request",
-				},
 				{
 					Entity: "wit$location",
 					Value:  "SFO",
-					Start:  &start,
-					End:    &end,
+					Start:  17,
+					End:    20,
 				},
 			},
 		},
 	})
+
 	if validateErr != nil {
 		t.Fatalf("expected nil error, got %v", validateErr)
 	}
@@ -214,7 +209,7 @@ func TestIntegrationSamples(t *testing.T) {
 	// delete samples
 	_, delSamplesErr := c.DeleteSamples([]Sample{
 		{
-			Text: "I want to fly SFO",
+			Text: "I want to fly to SFO",
 		},
 	})
 	if delSamplesErr != nil {

samples.go

@@ -20,8 +20,8 @@ type SampleEntity struct {
 	Entity       string         `json:"entity"`
 	Value        string         `json:"value"`
 	Role         string         `json:"role"`
-	Start        *int           `json:"start,omitempty"`
-	End          *int           `json:"end,omitempty"`
+	Start        int            `json:"start"`
+	End          int            `json:"end"`
 	Subentitites []SampleEntity `json:"subentities"`
 }