<p>In <a href="https://github.com/mlpack/mlpack/pull/696#discussion_r67188876">src/mlpack/tests/edge_boxes_test.cpp</a>:</p>
<pre style='color:#555'>&gt; +void RGB2LUVTest(arma::cube&amp; input, arma::cube&amp; output,
&gt; +                  StructuredForests&lt;arma::mat, arma::cube&gt;&amp; SF)
&gt; +{
&gt; +  arma::cube luv = SF.RGB2LUV(input);
&gt; +  Test(luv, output);
&gt; +}
&gt; +
&gt; +void ConvTriangleTest(arma::cube&amp; input, int radius,
&gt; +    arma::cube&amp; output, StructuredForests&lt;arma::mat, arma::cube&gt;&amp; SF)
&gt; +{
&gt; +  arma::cube conv_out = SF.ConvTriangle(input, radius);
&gt; +  Test(conv_out, output);
&gt; +}
&gt; +
&gt; +BOOST_AUTO_TEST_CASE(FeatureExtractionTest)
&gt; +{
</pre>
<p>Can you split the FeatureExtractionTest test case into smaller test cases? Something like:</p>

<p>BOOST_AUTO_TEST_CASE(DistanceTransformTest)<br>
BOOST_AUTO_TEST_CASE(CopyMakeBorderTest)</p>

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