increase coverage

Author: rmsrosa

test/gradlogpdf.jl

@@ -56,7 +56,8 @@ delta = 0.001
 for d in (
     MixtureModel([MvNormal([1., 2.], [1. 0.1; 0.1 1.])], [1.0]),
     MixtureModel([MvNormal([1.0, 2.0], [0.4 0.2; 0.2 0.5]), MvNormal([2.0, 1.0], [0.3 0.1; 0.1 0.4])], [0.4, 0.6]),
-    MixtureModel([MvNormal([1.0, 2.0], [0.4 0.2; 0.2 0.5]), MvNormal([2.0, 1.0], [0.3 0.1; 0.1 0.4])], [1.0, 0.0]),
+    MixtureModel([MvNormal([3.0, 2.0], [0.2 0.3; 0.3 0.5]), MvNormal([1.0, 2.0], [0.4 0.2; 0.2 0.5]), MvNormal([2.0, 1.0], [0.3 0.1; 0.1 0.4])], [0.0, 1.0, 0.0]),
+    MixtureModel([MvNormal([1.0, 2.0], [0.4 0.2; 0.2 0.5]), MvNormal([2.0, 1.0], [0.3 0.1; 0.1 0.4])], [0.0, 1.0]),
     MixtureModel([MvTDist(5., [1., 2.], [1. 0.1; 0.1 1.])], [1.0]),
     MixtureModel([MvNormal([1.0, 2.0], [0.4 0.2; 0.2 0.5]), MvTDist(5., [1., 2.], [1. 0.1; 0.1 1.])], [0.4, 0.6])
 )