Add integration test running in Exasol

[kaklakariada]

To ensure that the driver runs inside an Exasol database we need to add integration tests.

Precondition: Exasol Docker container that includes dependencies.

[redcatbear]

@kaklakariada please specify required dependencies in this issue ticket and check if they are in the latest images.

[kaklakariada]

The following Lua modules are required to be installed in the database:

• luasocket
• luasec
• luaossl
• lua-cjson
• base64

Some of them are already available in Exasol.

Other libraries (e.g. remotelog) can be packed using amalgamation.