PropertyExistsConstraint tests that a named property
exists on the object provided through Match.
Originally, PropertyConstraint provided this feature
in addition to making optional tests on the vaue
of the property. The two constraints are now separate.
public class PropertyExistsConstraint
Assembly: NUnitLite (in NUnitLite.dll)
Assembly Versions: 0.6.0.0, 184.108.40.206