simpletest getInfo() should be declared as static

Simpletest is unable to pass its own tests because of this exception

Strict warning: call_user_func() expects parameter 1 to be a valid callback, 
non-static method SchemaRegressionTest::getInfo() should not be called statically in simpletest_test_get_all() 
(line 385 of ...sites\all\modules\contributions\modules\simpletest\simpletest.module).