[perl #116030] t/op/die_except.t, die_unwind.t, dor.t, each_array.t: Provide descriptions for most tests

Patches applied in these commits:

commit 4c0cb72665b9854c40c816d6066073be940f84c9
    t/op/each_array.t: Provide descriptions for all tests.

commit 7245301c868bf8acef30ad917cc723f7aa84cbc1
    t/op/dor.t: Provide descriptions for tests still lacking them.

commit d479ea798026224fbf2ef8466ac91d5e9f282ae3
    t/op/die_unwind.t: Provide descriptions for some tests.

commit 1e7893b67d1817841f4ec4b6ac2876ef9994664b
    t/op/die_except.t: Add description for each test.

Closing ticket.

• [perl #116030] t/op/die_except.t, die_unwind.t, dor.t, each_array.t: Provide descriptions for most tests by James E Keenan via RT