Update DTypes for TOSA ops, test rig fixes

- Updated DTypes and expected failures for TOSA ops,
  particularly missing int8/int16 tests for Conv, FullyConnected,
  MatMul
- Fixed a bug where unexpected failures were incorrectly
  categorized as passes

Change-Id: I2763626317cedad9f3723f748986bb59a32f2e42
Signed-off-by: Jared Smolens <jared.smolens@arm.com>
diff --git a/verif/tosa_ref_run.py b/verif/tosa_ref_run.py
index 99f504b..2035147 100644
--- a/verif/tosa_ref_run.py
+++ b/verif/tosa_ref_run.py
@@ -1,6 +1,6 @@
 import os
 
-# Copyright (c) 2020, ARM Limited.
+# Copyright (c) 2020-2021, ARM Limited.
 #
 #    Licensed under the Apache License, Version 2.0 (the "License");
 #    you may not use this file except in compliance with the License.
@@ -61,6 +61,6 @@
             if expectedFailure:
                 result = TosaTestRunner.Result.EXPECTED_FAILURE
             else:
-                result = TosaTestRunner.Result.EXPECTED_PASS
+                result = TosaTestRunner.Result.UNEXPECTED_FAILURE
 
         return result