vishal Mane, the file you've attached is not valid XML.
Try one of the xml validators you can find online, or your favourite xml editor. Everyone will tell you the same message:
DEBUG: S: LPUSH pubsub:LogQHotelBeds \Y\0�\0\0\0\0\0\0�g��ܶ%��J�?Xo�~i��s�RKǀ�&���і
contains an invalid XML character entity. Which one? The sequence.
This means that your unit test outputs the given sequence. MSTest just copies it in the TRX. Without any further validation.
In order to fix the mstest behavior, in the past I've patched the mstest plugin in order to skip invalid characters. I've skipped the ones explicitly listed in the official XML specification. Your character sequence doesn't appear in the official XML specification.
Microsoft is aware of the problem (Jitin John, which reported an update on 4/9/2015 is from Microsoft). I'm not aware of a fix concerning vstest.console or mstest. Let's hope it will be included in VS2015 (which will be released on 07/20/2015).
As a conclusion, you can do one of the following things:
1) modify your unit tests from printing invalid xml character entities on StdOut or on the Debug trace.
2) contact Microsoft in order to ask them to fix the problem in mstest and vstest.console.
3) modify the code in ContentCorrector.java in order to add the given character sequence to the list of the invalid ones (and propose a pull request by means of the github interface).
Have a good day,