parallelize tests

[willow-ahrens]

runs the test suite in parallel

[codecov]

Codecov Report

Attention: Patch coverage is 82.60870% with 4 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
src/tensors/fibers.jl	66.66%	2 Missing ⚠️
src/tensors/levels/mutex_levels.jl	0.00%	1 Missing ⚠️
src/tensors/levels/pattern_levels.jl	0.00%	1 Missing ⚠️

Files with missing lines	Coverage Δ
src/scheduler/LogicExecutor.jl	90.24% <100.00%> (ø)
src/tensors/combinators/swizzle.jl	64.10% <100.00%> (+0.94%)	⬆️
src/tensors/levels/dense_levels.jl	91.58% <100.00%> (+0.07%)	⬆️
src/tensors/levels/dense_rle_levels.jl	81.81% <100.00%> (-0.84%)	⬇️
src/tensors/levels/element_levels.jl	86.13% <100.00%> (+0.13%)	⬆️
src/tensors/levels/separate_levels.jl	76.25% <100.00%> (-0.56%)	⬇️
src/tensors/levels/sparse_band_levels.jl	74.30% <100.00%> (-0.98%)	⬇️
src/tensors/levels/sparse_bytemap_levels.jl	80.16% <100.00%> (-0.33%)	⬇️
src/tensors/levels/sparse_coo_levels.jl	89.95% <100.00%> (-0.92%)	⬇️
src/tensors/levels/sparse_dict_levels.jl	81.14% <100.00%> (-0.36%)	⬇️
... and 9 more