Skip the LDT test cases when the ldt is not enabled in namespace.
Skip the LDT test cases when the ldt is not enabled in
namespace.

jklepp-tgm/aerospike-client-nodejs,aerospike/aerospike-client-nodejs,aerospike/aerospike-client-nodejs,aerospike/aerospike-client-nodejs,tonypujals/aerospike-client-nodejs,tonypujals/aerospike-client-nodejs,aerospike/aerospike-client-nodejs,tonypujals/aerospike-client-nodejs,jklepp-tgm/aerospike-client-nodejs,jklepp-tgm/aerospike-client-nodejs,aerospike/aerospike-client-nodejs,jklepp-tgm/aerospike-client-nodejs,tonypujals/aerospike-client-nodejs,jklepp-tgm/aerospike-client-nodejs,tonypujals/aerospike-client-nodejs