cong: modify tests for upstream change #53

Job	Run time
--disable-hpcombi --disable-eigen (macOS-latest)	5m 59s
--disable-hpcombi --disable-eigen (ubuntu-latest)	8m 14s
--enable-hpcombi --disable-eigen (ubuntu-latest)	8m 22s
--disable-hpcombi --enable-eigen (ubuntu-latest)	8m 41s
--enable-hpcombi --disable-eigen (macOS-latest)	5m 8s
--disable-hpcombi --enable-eigen (macOS-latest)	5m 40s
	42m 4s

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