SWDEV-448163 - Fix Doxygen warnings

Change-Id: If72e312461a72920b6a482009c9aef4cf92f2e1b

catch/unit/texture/hipMallocMipmappedArray.cc

@@ -114,4 +114,9 @@ TEST_CASE("Unit_hipMallocMipmappedArray_Negative_Parameters") {
         hipErrorInvalidValue);
   }
 #endif
-}
+}
+
+/**
+* End doxygen group TextureTest.
+* @}
+*/