test(topology): add pyramids test

Test file included in main test/runtests.jl
Tests pyramid element topology

test/topology/test_pyramids.jl

@@ -0,0 +1,22 @@
+# This file is a part of JuliaFEM.
+# License is MIT: see https://github.com/JuliaFEM/JuliaFEM.jl/blob/master/LICENSE.md
+
+using JuliaFEM
+using Test
+using StaticArrays
+
+@testset "Pyramid Elements" begin
+    @testset "Pyramid{5}" begin
+        @test nnodes(Pyramid{5}()) == 5
+        @test dim(Pyramid{5}()) == 3
+        @test nvertices(Pyramid{5}()) == 5
+        @test nedges(Pyramid{5}()) == 8
+        @test nfaces(Pyramid{5}()) == 5
+        
+        # Entity counts
+        @test nentities(Pyramid{5}, Vertex) == 5
+        @test nentities(Pyramid{5}, Edge) == 8
+        @test nentities(Pyramid{5}, Face) == 5
+        @test nentities(Pyramid{5}, Cell) == 1
+    end
+end