IVGCVSW-3541 Get the paths where to load the dynamic backends from

 * Adds GetBackendPaths and IsPathValid to DynamicBackendUtils
 * Adds related unit tests

Change-Id: I94e377d92a88a4b5d48026f6ad5b4d5387d20c21
Signed-off-by: Jan Eilers <jan.eilers@arm.com>
Signed-off-by: Matteo Martincigh <matteo.martincigh@arm.com>
diff --git a/src/backends/backendsCommon/test/DynamicBackendTests.cpp b/src/backends/backendsCommon/test/DynamicBackendTests.cpp
index 10a650a..16d07c1 100644
--- a/src/backends/backendsCommon/test/DynamicBackendTests.cpp
+++ b/src/backends/backendsCommon/test/DynamicBackendTests.cpp
@@ -40,4 +40,7 @@
 ARMNN_SIMPLE_TEST_CASE(CreateDynamicBackendObjectInvalidInterface7,
                        CreateDynamicBackendObjectInvalidInterface7TestImpl);
 
+ARMNN_SIMPLE_TEST_CASE(GetBackendPaths, GetBackendPathsTestImpl)
+ARMNN_SIMPLE_TEST_CASE(GetBackendPathsOverride, GetBackendPathsOverrideTestImpl)
+
 BOOST_AUTO_TEST_SUITE_END()