Fixes to assertions and overrides (#106)

* size_quad() --> sizeQuadrature().

* Add missing overrides in IdaTests.

* Fix time assert with tolerance within a namespace.

* Use GridKit's isEqual in example2 time stamp assertion.

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Co-authored-by: nkoukpaizan <[email protected]>

Author: nkoukpaizan

examples/PhasorDynamics/Example1/example1.cpp

@@ -133,7 +133,7 @@ int main()
   for (size_t i = 0; i < output.size(); i++)
   {
     OutputData           data    = output[i];
-    std::vector<double>& ref_sol = reference_solution[i + 1];
+    std::vector<double>& ref_sol = Example1::reference_solution[i + 1];
 
     double err =
         std::abs(std::sqrt(data.Vr * data.Vr + data.Vi * data.Vi) - ref_sol[2])