Fixed phpunit test runs with encoding test run and not resetting the subsitute character back to default Note: There are mime encoding failures for php 7.4 and 8.0 and one ACL login failure test for php 7.4
Fixed phpunit test runs with encoding test run and not resetting the subsitute character back to default Note: There are mime encoding failures for php 7.4 and 8.0 and one ACL login failure test for php 7.4