use temporary folder helper for example tests

Author: wahln

test/autoExampleTest/test_examples.m

@@ -41,11 +41,7 @@
 [folders,names,exts] = cellfun(@fileparts,exampleScripts,'UniformOutput',false);
 
 %Create temporary example test folder
-tmpExampleTestFolder = tempdir();
-tmpExampleTestFolder = fullfile(tmpExampleTestFolder,'exampleTest');
-if ~exist(tmpExampleTestFolder,'dir')
-    mkdir(tmpExampleTestFolder);
-end
+tmpExampleTestFolder = helper_temporaryFolder('exampleTest',true);
 addpath(tmpExampleTestFolder);
 newFolders = cell(size(folders));
 [newFolders{:}] = deal(tmpExampleTestFolder);
@@ -80,12 +76,6 @@
     %test_functions{testIx,1} = testfun;
 end
 
-try
-    rmdir(exampleTestFolder,'s');
-catch
-    warning('Could not delete temporary example test folder');
-end
-
 %initTestSuite;
 %We need to manually set up the test_suite