MIPS: Update cctest status file for mips[be].

Enable skipped test-api/RequestInterruptTestWith* after:
https://codereview.chromium.org/1220443002/

TEST=
BUG=

Review URL: https://codereview.chromium.org/1219683004

Cr-Commit-Position: refs/heads/master@{#29353}

test/cctest/cctest.status

@@ -279,8 +279,6 @@
   'test-simplified-lowering/RunNumberDivide_2_TruncatingToUint32': [SKIP],
   'test-parsing/TooManyArguments': [SKIP],
   'test-api/Threading3': [SKIP],
-  'test-api/RequestInterruptTestWithNativeAccessor': [SKIP],
-  'test-api/RequestInterruptTestWithAccessor': [SKIP],
 }],  # 'arch == mips'
 
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