Move _tf_close_coeff back to testing realm and make better use of assertion messages #56

Job	Run time
Build conda Py3.11, ubuntu	6m 32s
Build pip Py3.10, ubuntu, unset BLA_VENDOR	2m 12s
Build conda Py3.11, macos	6m 30s
Build pip Py3.12, ubuntu, unset BLA_VENDOR	2m 2s
Build conda Py3.11, windows	10m 52s
Build pip Py3.10, macos, unset BLA_VENDOR	2m 27s
Build pip Py3.12, macos, unset BLA_VENDOR	2m 7s
Build pip Py3.12, ubuntu, Generic BLA_VENDOR	2m 5s
Build pip Py3.12, ubuntu, OpenBLAS BLA_VENDOR	2m 14s
Build pip Py3.12, macos, Apple BLA_VENDOR	2m 0s
Build pip Py3.12, macos, Generic BLA_VENDOR	2m 15s
Build pip Py3.12, macos, OpenBLAS BLA_VENDOR	2m 3s
Create wheel test matrix	5s
Test wheel macos-3.12-Generic, Generic BLAS lib	2m 28s
Test wheel macos-3.12-Generic, OpenBLAS BLAS lib	1m 59s
Test wheel macos-3.12-Generic, Apple BLAS lib	1m 56s
Test wheel ubuntu-3.12-OpenBLAS, OpenBLAS BLAS lib	3m 36s
Test wheel ubuntu-3.12-Generic, Generic BLAS lib	3m 35s
Test wheel ubuntu-3.12-Generic, OpenBLAS BLAS lib	3m 50s
Test wheel macos-3.12-unset, unset BLAS lib	1m 57s
Test wheel ubuntu-3.10-unset, unset BLAS lib	3m 50s
Test wheel macos-3.12-Apple, Apple BLAS lib	2m 0s
Test wheel ubuntu-3.12-unset, unset BLAS lib	3m 38s
Test wheel macos-3.10-unset, unset BLAS lib	2m 18s
Test wheel macos-3.12-OpenBLAS, OpenBLAS BLAS lib	2m 15s
Create conda test matrix	5s
	1h 16m 51s

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