fix: unnecessary conversion

 Error: kafkareceiver/factory_test.go:33:23: unnecessary conversion (unconvert)
501
	assert.Equal(t, int32(defaultMaxFetchSize), int32(cfg.MaxFetchSize))

Author: cxdy

receiver/kafkareceiver/factory_test.go

@@ -28,9 +28,9 @@ func TestCreateDefaultConfig(t *testing.T) {
 	assert.Equal(t, defaultInitialOffset, cfg.InitialOffset)
 	assert.Equal(t, defaultSessionTimeout, cfg.SessionTimeout)
 	assert.Equal(t, defaultHeartbeatInterval, cfg.HeartbeatInterval)
-	assert.Equal(t, int32(defaultMinFetchSize), int32(cfg.MinFetchSize))
-	assert.Equal(t, int32(defaultDefaultFetchSize), int32(cfg.DefaultFetchSize))
-	assert.Equal(t, int32(defaultMaxFetchSize), int32(cfg.MaxFetchSize))
+	assert.Equal(t, int32(defaultMinFetchSize), cfg.MinFetchSize)
+	assert.Equal(t, int32(defaultDefaultFetchSize), cfg.DefaultFetchSize)
+	assert.Equal(t, int32(defaultMaxFetchSize), cfg.MaxFetchSize)
 }
 
 func TestCreateTracesReceiver(t *testing.T) {