The threee tags `<name>`, `</name>` and `<command>` were frequently used
with a leading space that this removes. The reason this habbit is so
widespread in testcases is probably that they have been copy and pasted.
Hence, fixing them all now might curb this practice from now on.
Closes#12028
This allows testing Y2038 with system time set to after that, so that
actual Y2038 issues can be exposed, and not masked by expiry errors.
Fixes#11576Closes#11610
