Fixed errors in MATLAB client and updated tests.

TestScripts/MATLAB Tests/setDREFTest.m

@@ -0,0 +1,18 @@
+function setDREFTest(  )
+%SENDREADTEST Summary of this function goes here
+%   Detailed explanation goes here
+addpath('../../MATLAB')
+import XPlaneConnect.*
+
+DREFS = {'sim/cockpit/switches/gear_handle_status'};
+value = randi([0 10]);
+
+setDREF(DREFS{1},value);
+result = getDREFs(DREFS);
+
+assert(isequal(length(result),1),'setDREFTest: requestDREF unsucessful-wrong number of elements returned');
+
+assert(isequal(result(1),value),'setDREFTest: DREF set unsucessful');
+
+end
+