Tests

use isfresh like mechinisim for precs #55

Job	Run time
Tests (1, Enzyme) / Tests - Enzyme	5m 2s
Tests (1, Core) / Tests - Core	4m 55s
Tests (1, LinearSolveHYPRE) / Tests - LinearSolveHYPRE	4m 50s
Tests (1, LinearSolveBandedMatrices) / Tests - LinearSolveBandedMatrices	5m 4s
Tests (1, LinearSolvePardiso) / Tests - LinearSolvePardiso	5m 2s
Tests (lts, Core) / Tests - Core	18m 29s
Tests (lts, Enzyme) / Tests - Enzyme	14m 29s
Tests (lts, LinearSolveBandedMatrices) / Tests - LinearSolveBandedMatrices	14m 43s
Tests (lts, LinearSolveHYPRE) / Tests - LinearSolveHYPRE	12m 30s
Tests (lts, LinearSolvePardiso) / Tests - LinearSolvePardiso	13m 0s
	1h 38m 4s

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