Some of the radius labels used in the CorrelationFunctionSysTests had underscores that weren't meant to indicate subscripts. This PR fixes a bug that happened when those labels were plotted, and also implements a test to catch them (and other plotting bugs).
Some of the radius labels used in the CorrelationFunctionSysTests had underscores that weren't meant to indicate subscripts. This PR fixes a bug that happened when those labels were plotted, and also implements a test to catch them (and other plotting bugs).