gdatetime: Ignore also the %Ec modifier on 64-bit big-endian
Those tests are also failing on s390x in the Ubuntu CI and from the bug discussion it's unclear what the correct output should be.
Closes #3252 (closed)
Those tests are also failing on s390x in the Ubuntu CI and from the bug discussion it's unclear what the correct output should be.
Closes #3252 (closed)