Improving test documentation/data used

[AB3rtz]

In some of the tests there is a curl request to keep track of the origin of the data used. It would be very interesting to use the same approach to many of the other tests.

casper-sdk/src/test/java/com/syntifi/casper/sdk/model/block/JsonBlockDataTest.java

Lines 31 to 33 in ced2293

	// curl -X POST -H 'Content-Type: application/json' -d
	// '{"id":"0","jsonrpc":"2.0","method":"chain_get_block",
	// "params":{"block_identifier":{"Height":"246762"}}}' http://nodeIP:7777/rpc