Prevent WDT from creating a session
Coding standards

static MUST be declared after the visibility (PSR-2)
minor #10006 Fixed coding standards (PSR-2) (cmfcmf)

This PR was submitted for the 2.3-dev branch but it was merged into the 2.3 branch instead (closes #10006).

Discussion
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Fixed coding standards (PSR-2)

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | ---
| Fixed tickets | ---
| License       | MIT
| Doc PR        | ---

> static MUST be declared after the visibility
-- (PSR-2)

Commits
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2fbc833 Coding standards
bug #9985 Prevent WDT from creating a session (mvrhov)

This PR was merged into the 2.3 branch.

Discussion
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Prevent WDT from creating a session

The wdt should not create a session.

Bug fix: yes
Feature addition: no
Backwards compatibility break: no
Symfony2 tests pass: yes
Fixes the following tickets: N/A
Todo: -
License of the code: MIT
Documentation PR: N/A

Commits
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4791351 Prevent WDT from creating a session