What is the test for setting aside a finding in a motion to set aside discovery in a civil case?

"'Management of discovery lies within the sound discretion of the trial court. Consequently, appellate review of discovery rulings is governed by the abuse of discretion standard. Where there is a basis for the trial court's ruling and the evidence supports it, a reviewing court will not substitute its opinion for that of the trial court. [Citation.]' The trial court's determination will be set aside only when it has been established that there was no legal justification for the order granting or denying the

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discovery in question." (Save Open Space Santa Monica Mountains v. Superior Court (2000) 84 Cal.App.4th 235, 246.)