Initial cypress testing

Description

Adds bbtests testing structure/components and test cases for basic functionality.

Tests

• Check that tempo has services available in the UI
• Check that grafana has a tempo data source connection (when grafana is also deployed)

Issue

Relates #8 (closed)

BB Chart Pipeline

https://repo1.dso.mil/platform-one/big-bang/bigbang/-/pipelines/785350