IVGCVSW-2467 Remove GetDataType<T> function

Change-Id: I7359617a307b9abb4c30b3d5f2364dc6d0f828f0
diff --git a/src/armnnTfLiteParser/test/Mean.cpp b/src/armnnTfLiteParser/test/Mean.cpp
index d7cb2a2..3f0fdf1 100644
--- a/src/armnnTfLiteParser/test/Mean.cpp
+++ b/src/armnnTfLiteParser/test/Mean.cpp
@@ -91,9 +91,8 @@
 
 BOOST_FIXTURE_TEST_CASE(ParseMeanNoReduce, SimpleMeanNoReduceFixture)
 {
-    RunTest<2, float>(0, {{ "inputTensor", { 1.0f, 1.0f, 2.0f, 2.0f } } },
-                         {{ "outputTensor", { 1.5f } } });
+    RunTest<2, armnn::DataType::Float32>(0, {{ "inputTensor", { 1.0f, 1.0f, 2.0f, 2.0f } } },
+                                            {{ "outputTensor", { 1.5f } } });
 }
 
 BOOST_AUTO_TEST_SUITE_END()
-