Fix double space in tests (fixed in 2.7+)
ns/collection has been unified in 2.7 it seems
2.7 returns options and flags keys too
Split PHP-1085 tests for socketTimeoutMS via MongoClient and methods
Merge pull request #710
Do not match exact byte sizes in maxWriteBatchSize tests

These tests care about the splitting of batches around the maxWriteBatchSize limit (i.e. 1000). They do not need to assert an exact value for the byte size of the serialized BSON.
Merge pull requst #707
Lower socket timeout in PHP-1065 test