uld be thrown by this invocation
  <dt><b>Properties</b>
  <dd>An IDictionary of properties to be applied to the test case.
      Note that the values provided must be compatible with PropertiesAttribute.
	  In particular, use of custom types or enums will cause problems.
  <dt><b>Result</b>
  <dd>The expected result to be returned from the method, which must have
      a compatible return type.
  <dt><b>TestName</b>
  <dd>Provides a name for the test. If not specified, a name is generated based on
      th