tests: updated

tests/block_test.go

tests/files/ABITests/basic_abi_tests.json

tests/files/BasicTests/blockgenesistest.json

tests/files/BasicTests/crypto.json

tests/files/BasicTests/genesishashestest.json

tests/files/BasicTests/hexencodetest.json

tests/files/BasicTests/keyaddrtest.json

tests/files/BasicTests/rlptest.json

tests/files/BasicTests/txtest.json

tests/files/BlockchainTests/RandomTests/bl10251623GO.json

...s/files/BlockchainTests/RandomTests/bl201507071825GO.json

tests/files/BlockchainTests/bcBlockGasLimitTest.json

tests/files/BlockchainTests/bcBruncleTest.json

tests/files/BlockchainTests/bcForkBlockTest.json

tests/files/BlockchainTests/bcGasPricerTest.json

tests/files/BlockchainTests/bcInvalidHeaderTest.json

tests/files/BlockchainTests/bcInvalidRLPTest.json

tests/files/BlockchainTests/bcRPC_API_Test.json

tests/files/BlockchainTests/bcTotalDifficultyTest.json

tests/files/BlockchainTests/bcUncleHeaderValiditiy.json