Tests: Remove MARS fixtures

[smitpatel]

Since tests uses retrying execution strategy, MARS is not needed.
The failure I had got which made me add MARS was the race condition which tried to enumerate multiple readers at the same time while buffering.

[ghost]

Hello @smitpatel!

Because this pull request has the auto-merge label, I will be glad to assist with helping to merge this pull request once all check-in policies pass.

Do note that I've been instructed to only help merge pull requests of this repository that have been opened for at least 1 minute. No worries though, I will be back when the time is right! 😉

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[smitpatel]

@msftbot Please make sure there are at least one approving review.

[ghost]

Hello @smitpatel!

Because you've given me some instructions on how to help merge this pull request, I'll be modifying my merge approach. Here's how I understand your requirements for merging this pull request:

• I'll only merge this pull request if it has at least 1 approval

If this doesn't seem right to you, you can tell me to cancel these instructions and use the auto-merge policy that has been configured for this repository. Try telling me "forget everything I just told you".

[AndriySvyryd]

I thought you will fix the race condition, not change the tests 🤣

[smitpatel]

We did that already, #21301
I wonder who approved it.

[AndriySvyryd]

Ok-ok

[smitpatel]

@Pilchie - bot decided to ignore my PR.

[Pilchie]

@msftbot why haven't you merged yet?

[Pilchie]

@msftbot please merge in 1 minute

[ghost]

Hello @Pilchie!

Because you've given me some instructions on how to help merge this pull request, I'll be modifying my merge approach. Here's how I understand your requirements for merging this pull request:

• I'll only merge this pull request if it has at least 1 approval
• I won't merge this pull request until after the UTC date Sat, 27 Jun 2020 03:47:06 GMT, which is in 1 minute

If this doesn't seem right to you, you can tell me to cancel these instructions and use the auto-merge policy that has been configured for this repository. Try telling me "forget everything I just told you".

[Pilchie]

@msftbot please merge in 1 minute

[ghost]

Hello @Pilchie!

Because you've given me some instructions on how to help merge this pull request, I'll be modifying my merge approach. Here's how I understand your requirements for merging this pull request:

• I'll only merge this pull request if it has at least 1 approval
• I won't merge this pull request until after the UTC date Sat, 27 Jun 2020 03:49:51 GMT, which is in 1 minute

If this doesn't seem right to you, you can tell me to cancel these instructions and use the auto-merge policy that has been configured for this repository. Try telling me "forget everything I just told you".

[Pilchie]

@msftbot please merge in 1 minute

[ghost]

Hello @Pilchie!

Because you've given me some instructions on how to help merge this pull request, I'll be modifying my merge approach. Here's how I understand your requirements for merging this pull request:

• I'll only merge this pull request if it has at least 1 approval
• I won't merge this pull request until after the UTC date Sat, 27 Jun 2020 04:16:23 GMT, which is in 1 minute

If this doesn't seem right to you, you can tell me to cancel these instructions and use the auto-merge policy that has been configured for this repository. Try telling me "forget everything I just told you".