IVGCVSW-5964 Removing some remaining boost utility usages from tests.

* Adding a basic PredicateResult class to replace
  boost::test_tools::predicate_result
* Replacing all uses of boost::test_tools::predicate_result with
  the new armnn::PredicateResult class
* Replacing use of boost::test_tools::output_test_stream output
  with std::ostringstream in ProfilerTests.cpp

Signed-off-by: Colm Donelan <Colm.Donelan@arm.com>
Change-Id: I75cdbbff98d984e26e4a50c125386b2988516fad
diff --git a/src/backends/backendsCommon/test/layerTests/DetectionPostProcessTestImpl.hpp b/src/backends/backendsCommon/test/layerTests/DetectionPostProcessTestImpl.hpp
index f680827..c663655 100644
--- a/src/backends/backendsCommon/test/layerTests/DetectionPostProcessTestImpl.hpp
+++ b/src/backends/backendsCommon/test/layerTests/DetectionPostProcessTestImpl.hpp
@@ -225,10 +225,14 @@
     CopyDataFromITensorHandle(detectionScoresResult.output.origin(), outputScoresHandle.get());
     CopyDataFromITensorHandle(numDetectionsResult.output.origin(), numDetectionHandle.get());
 
-    BOOST_TEST(CompareTensors(detectionBoxesResult.output, detectionBoxesResult.outputExpected));
-    BOOST_TEST(CompareTensors(detectionClassesResult.output, detectionClassesResult.outputExpected));
-    BOOST_TEST(CompareTensors(detectionScoresResult.output, detectionScoresResult.outputExpected));
-    BOOST_TEST(CompareTensors(numDetectionsResult.output, numDetectionsResult.outputExpected));
+    auto result = CompareTensors(detectionBoxesResult.output, detectionBoxesResult.outputExpected);
+    BOOST_TEST(result.m_Result, result.m_Message.str());
+    result = CompareTensors(detectionClassesResult.output, detectionClassesResult.outputExpected);
+    BOOST_TEST(result.m_Result, result.m_Message.str());
+    result = CompareTensors(detectionScoresResult.output, detectionScoresResult.outputExpected);
+    BOOST_TEST(result.m_Result, result.m_Message.str());
+    result = CompareTensors(numDetectionsResult.output, numDetectionsResult.outputExpected);
+    BOOST_TEST(result.m_Result, result.m_Message.str());
 }
 
 template<armnn::DataType QuantizedType, typename RawType = armnn::ResolveType<QuantizedType>>