include new super wide dataset from @datalorax

in testing suite

ref #335

Author: wibeasley

inst/misc/example.credentials

@@ -21,3 +21,4 @@ redcap_uri,username,project_id,token,comment
 "https://bbmc.ouhsc.edu/redcap/api/","myusername","1425","221E86DABFEEA233067C6889991B7FBB","Potentially problematic dictionary"
 "https://bbmc.ouhsc.edu/redcap/api/","myusername","1490","457C24AB91B7FCF5B1A7DA67E70E24C7","simple write metadata"
 "https://bbmc.ouhsc.edu/redcap/api/","myusername","2545","0BF11B9CB01F0B8F8EE203B7E07DEFD9","DAG Write"
+"https://bbmc.ouhsc.edu/redcap/api/","myusername","2593","1C31398F332FCACA4C0A7B93B18D5CD4","super-wide #2--5,785 columns"