Fix e2e (flaky tests)

[Kreshnik Gashi]

Some tests are failing right now, as we implemented dark mode this issue appeared. Below you will find files and test cases that have been skipped.

• tests/trace-viewer.test.ts
  Test cases:

  1. should load a success trace viewer correctly
  2. should load a error trace viewer correctly
  3. should load a named query in the trace viewer correctly

• tests/traces.test.ts
  Test cases:

  1. should load and display a list of success traces
  2. should load and display a list of named query traces

• tests/trace.test.ts
  Test cases:

  1. should load a success trace correctly
  2. should load a named query correctly