Try fixing tests

Author: mtfishman

NDTensors/src/lib/BlockSparseArrays/src/blocksparsearrayinterface/blocksparsearrayinterface.jl

@@ -233,9 +233,13 @@ end
 
 # Represents the array of arrays of a `SubArray`
 # wrapping a block spare array, i.e. `blocks(array)` where `a` is a `SubArray`.
-struct SparseSubArrayBlocks{T,N,Array<:SubArray{T,N}} <: AbstractSparseArray{T,N}
+struct SparseSubArrayBlocks{T,N,BlockType<:AbstractArray{T,N},Array<:SubArray{T,N}} <:
+       AbstractSparseArray{BlockType,N}
   array::Array
 end
+function blocksparse_blocks(a::SubArray)
+  return SparseSubArrayBlocks{eltype(a),ndims(a),blocktype(parent(a)),typeof(a)}(a)
+end
 # TODO: Define this as `blockrange(a::AbstractArray, indices::Tuple{Vararg{AbstractUnitRange}})`.
 function blockrange(a::SparseSubArrayBlocks)
   blockranges = blockrange.(axes(parent(a.array)), a.array.indices)
@@ -294,10 +298,6 @@ function SparseArrayInterface.sparse_storage(a::SparseSubArrayBlocks)
   return map(I -> a[I], stored_indices(a))
 end
 
-function blocksparse_blocks(a::SubArray)
-  return SparseSubArrayBlocks(a)
-end
-
 to_blocks_indices(I::BlockSlice{<:BlockRange{1}}) = Int.(I.block)
 to_blocks_indices(I::BlockIndices{<:Vector{<:Block{1}}}) = Int.(I.blocks)