Added test cases. Unfortunately, iterative methods cannot converge in such a...

Added test cases. Unfortunately, iterative methods cannot converge in such a short time, we did not test on the accuracy
2 jobs for 0.1.0 in 2 minutes and 7 seconds (queued for 2 seconds)
latest
Status Job ID Name Coverage
  Test
passed #8583
gnu

00:02:07

passed #8584
intel

00:02:06