Metacat

clean up dryad test doc - only use D1 api. https://projects.ecoinformatics.org/ecoinfo/issues/6419

test for inserting dryad instance doc. https://projects.ecoinformatics.org/ecoinfo/issues/6419

add test to check sync of access policies of data object referenced in EML 2.0.1 docs

initial basic test of inserting dryad metadata. NOTE: uses metacat api, not dataone api. https://projects.ecoinformatics.org/ecoinfo/issues/6419

include a few tests for isEqual method. https://projects.ecoinformatics.org/ecoinfo/issues/6407

Use client.MetacatClient instance for all metacat api calls

Test syncing of access policies when updated with legacy metacat api

Add a method to test an alias account in the ldap server.

Add a group for the testing.

Add users which are needed in the junit tests when the metacat is file-based authentication.
If users have been added, it just print out the exception.