testsuite fixes

Metric Increase:
    T10421
    T13701
    T14697
    T12227
    T12234
    T12425
    T13035
    T5536

testsuite/tests/ghci/should_run/T16012.script

@@ -3,4 +3,4 @@
 -- should always return a reasonably low result.
 
 n <- System.Mem.getAllocationCounter
-if (n < 0 && n >= -160000) then putStrLn "Alloction counter in expected range" else (putStrLn $ "Unexpected allocation counter result:" ++ show n)
+if (n < 0 && n >= -200000) then putStrLn "Allocation counter in expected range" else (putStrLn $ "Unexpected allocation counter result:" ++ show n)

testsuite/tests/ghci/should_run/T16012.stdout

-Alloction counter in expected range
+Allocation counter in expected range