xiang.wang test_and_ci all time

fd5dcc51cb09041585fa16c24149d0a66e415b54 | Author: xiang.wang <xiang.wang@kaiostech.com>
 | 2021-07-19 17:32:12+04:00

    MerkleTrees variables renaming tree -> trees.
    
    Patch by Xiang Wang; reviewed by Aleksei Zotov, Benjamin Lerer and Ekaterina Dimitrova