Updated mediawiki/extensions
Project: mediawiki/extensions/Math  10aea505516ad92cbf98f923982c25ba88ea7870

rename MathSourceTest::simpleTest->MathSourceTest::testBasics

Test was not executed, because it did not start with 'test'.

Change-Id: Ie5e14b0a23da6a908781f9a2f17dcd6c7795bebe