Update advanced.md casing in example
Update advanced.md casing in example

Updated the example that says not to use SetupTestSuite with a small 'u' to actually use a small 'u'
jlanecox/googletest,gianricardo/googletest,antidotcb/googletest,empiredan/googletest,google/googletest,antidotcb/googletest,xnagireddy/googletest,antidotcb/googletest,jlanecox/googletest,empiredan/googletest,google/googletest,google/googletest,gianricardo/googletest,empiredan/googletest,antidotcb/googletest,xnagireddy/googletest,jlanecox/googletest,gianricardo/googletest,jlanecox/googletest,xnagireddy/googletest,xnagireddy/googletest,google/googletest