Add BaseDocsGenerate and BaseDocsGenReferences Tests

[ravjotbrar]

Summary

Added these tests as part of the requirements for upgrading to dbt-core 1.2.

Description

BaseDocsGenerate

• Modify second_model.sql to explicitly use alternate schema
• Modify models fixture to use our version of second_model.sql
• Modify verify_catalog from dbt-core to exclude source table verification
• Modify unique_schema fixture to prepend schema with rav-test folder
• Modify project_config_update fixture to prevent the seed being created as a view
• Modify profiles fixture to make root_path the same as schema
• Modify expected_catalog fixture to accommodate dremio data types
• Include test_run_and_generate methods so they use our version of verify_catalog

BaseDocsGenReferences

• Modify project_config_update fixture to allow creating a view for seeds. This is because the ephemeral_summary models looks for the seed under database.schema (which is only used for views).
• Modify unique_schema, profiles, and expected catalog fixtures for same reasons as above

Utilities

• Modify base_expected_catalog to look for datalake instead of database
• Modify expected_references_catalog for the same reason above

Other

• Relevant imports
• Remove staging snapshot macro

Related Issue

#43
#36

Additional Reviewers

@jlarue26
@ArgusLi

[ravjotbrar]

Try to avoid code duplication