The previous commit forgot to remove this test, which no longer
holds on all systems.
CREATE COLLATION testx (locale = 'nonsense'); -- fail
ERROR: could not create locale "nonsense": No such file or directory
DETAIL: The operating system could not find any locale data for the locale name "nonsense".
-CREATE COLLATION testy (locale = 'en_US.utf8', version = 'foo'); -- fail, no versions for libc
-ERROR: collation "testy" has no actual version, but a version was specified
CREATE COLLATION test4 FROM nonsense;
ERROR: collation "nonsense" for encoding "UTF8" does not exist
CREATE COLLATION test5 FROM test0;
$$;
CREATE COLLATION test3 (lc_collate = 'en_US.utf8'); -- fail, need lc_ctype
CREATE COLLATION testx (locale = 'nonsense'); -- fail
-CREATE COLLATION testy (locale = 'en_US.utf8', version = 'foo'); -- fail, no versions for libc
CREATE COLLATION test4 FROM nonsense;
CREATE COLLATION test5 FROM test0;