Create integration tests for all existing SDK functionality

[rwalworth]

Problem

While we have unit tests written for every major object available in the SDK, there is currently nothing to test the functionality of actually using the SDK to communicate with a Hedera network. Without it, there is no way to guarantee the SDK will actually be able to function properly as a means to execute requests on a Hedera network.

Solution

Develop a suite of integration tests that will test the following:

• Test for proper serialization/deserialization of Hedera protobuf objects #163
• Test for create and execute requests to send to a node #164
• Account - Integration tests for create and execute request #263
• Contract - Integration tests for create and execute request #264
• Test for receiving and processing node responses #165
• Tests for Networking Configuration #166
• Integration test for node selection #167

Alternatives

N/A