GODT-1166: Reduce the number of auth for live test

- Changed: Do not reauth controller clients.
- Changed: Verbosisty is set only once before run
- Changed: AddUser takes TestAccount as argument
- Added: Setup/clean up before/after test run
- Added: Access to the current refresh token from pmapi.Client interface.
- Added: Context function to add test a user to bridge without login, just call users.FinishLogin.
- Added: PMAPIController.GetAuthClient returns authenticated client for username.
- Added: Persistent clients does not loggout after every scenario.
- Changed: Disabled no-internet tests.

test/context/context.go

@@ -94,8 +94,6 @@ type TestContext struct {
 
 // New returns a new test TestContext.
 func New(app string) *TestContext {
-	setLogrusVerbosityFromEnv()
-
 	listener := listener.New()
 	pmapiController, clientManager := newPMAPIController(app, listener)