TST: Stop ignoring warnings (#932)
TST: Stop ignoring warnings (#932)

* TST: Stop ignoring warnings
* TST: Ignore numpy size warnings, turn the rest into error
naojsoft/ginga,naojsoft/ginga,pllim/ginga,pllim/ginga,naojsoft/ginga,ejeschke/ginga,ejeschke/ginga,ejeschke/ginga,pllim/ginga