Fix testing runs on d.o and ensure all existing tests are passing

Tests were failing because the attempts to find the login_hash from the current url were unsuccessful.

This patch fixes those attempts and moves the finding of the login_hash to a function on the base test class to stay dry.

Another attempt. Removing hard-coded module version from info file to see if that helps tests run on d.o

Removing patch that deals with the info file, restoring original patch.

Another attempt at fixing tests. Added @group GA_Login to test base class.

Adding @group was incorrect. Doing so made the system attempt to load GALoginTestBase as if it had tests, but it is a base class meant to be extended. I examined some core modules and found that they use abstract base classes so that the system wouldn't look for tests on that class.

I expect this patch to fail 2 tests involving exceptions around $siteNamePrefix being undefined. These tests should be fixed when #2871779: Allow the configuration of the QR pattern prefix gets committed, as it adds that property to the test objects.

After posting this comment and letting the tests run, I'll mark this issue as postponed until we get #2871779 committed. Then we should be able to re-queue this test and have it pass.

Postponed until #2871779: Allow the configuration of the QR pattern prefix lands for simplicity.

Tests are running and all passing.