fix some CarpetProlongationTest tests

the attached patch fixes (by adjusting the domain which was created before CarpetRegrid2 changed its property enforcement logic) some tests in CarpetProlongationTest and also restricts those tests that produce Carpet 1D ouptut to 1 or 2 processes (depending on how many were apparently used to create the test).

For some tests (test_o1 test_cc_rest_o0 test_cc_rest_o1) I could not make the code agree with these measures and since they also show differences in a "sum" reduced quantity I replaced the "sum" data by errornorm 0D output (and had to regenerate the data because of this). I am not sure what the expected smallness of errornorm is.

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