t/fiotestcommon: add a success pattern for long tests

On Windows the verify test script runs for longer than 10 minutes. Add a
success pattern that accommodates this test.

Signed-off-by: Vincent Fu <[email protected]>

Author: vincentkfu

t/fiotestcommon.py

@@ -19,6 +19,11 @@
     'stderr_empty': True,
     'timeout': 600,
     }
+SUCCESS_LONG = {
+    'zero_return': True,
+    'stderr_empty': True,
+    'timeout': 1800,
+    }
 SUCCESS_NONZERO = {
     'zero_return': False,
     'stderr_empty': False,