cell type not ref shape

Author: AbdAlazezAhmed

test/test_l2_projection.jl

@@ -524,15 +524,15 @@ function test_l2proj_errorpaths()
 end
 
 @testset "Test L2-Projection" begin
-    for ref_shape in (
+    for cell_type in (
                 Triangle,
                 Quadrilateral,
                 Hexahedron,
                 Tetrahedron,
                 Pyramid,
                 Wedge
             ), degree in 1:2
-        test_projection(degree, ref_shape)
+        test_projection(degree, cell_type)
     end
     test_projection_subset_of_mixedgrid()
     test_add_projection_grid()