Adding to Nameset with bad renderer(42), expecting a BadRenderer error:
PEXError: Bad PEX Renderer
Request code: 28
Did one appear?

Adding to Nameset with a bad renderer(nameset), expecting a BadNameSet error:
PEXError: Bad PEX Renderer
Request code: 28
Did one appear?

Adding to  Nameset with a good nameset, expecting no error:
Did one appear?

Removing from Nameset with bad renderer(42), expecting a BadRenderer error:
PEXError: Bad PEX Renderer
Request code: 28
Did one appear?

Removing from Nameset with a bad renderer(nameset), expecting a BadNameSet error:
PEXError: Bad PEX Renderer
Request code: 28
Did one appear?

Removing from Nameset with a good renderer, expecting no error:
Did one appear?

Adding to Nameset with bad structure(42), expecting a BadRenderer error:
PEXError: Bad PEX Structure
Request code: 43
Did one appear?

Adding to Nameset with a bad structure(nameset), expecting a BadNameSet error:
PEXError: Bad PEX Structure
Request code: 43
Did one appear?

Adding to  Nameset with a good structure, expecting no error:
Did one appear?

Removing from Nameset with bad structure(42), expecting a BadRenderer error:
PEXError: Bad PEX Structure
Request code: 43
Did one appear?

Removing from Nameset with a bad structure(nameset), expecting a BadNameSet error:
PEXError: Bad PEX Structure
Request code: 43
Did one appear?

Removing from Nameset with a good structure, expecting no error:
Did one appear?