Adds a test for when accessing wiki history without permission.
Don't change setting value in tests.
Adds a test for parent issues display.
Fixed malformed HTML.
Fixes assertion.
Adds a test for subtasks display.
Rails3: model: replace deprecated before_destroy method at member model
add test to check to set issue category assignee nil in destroying member
Adds test for test email failure.
Adds a test for child_pages macro failure.
