[Tests] Silenced all deprecations in tests for 2.3
Very minor grammar fix in error message
minor #13036 [Config] Very minor grammar fix in error message (WouterJ)

This PR was merged into the 2.3 branch.

Discussion
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[Config] Very minor grammar fix in error message

It's just a tiny detail, but I found it important enough to submit a fix.

| Q   | A
| --- | ---
| License | MIT
| Fixed tickets | -

Commits
-------

1c65f36 Very minor grammar fix in error message
fixed CS
[Config] fixes broken unit test on ArrayNode class.
[Config] adds missing « use » statement for InvalidTypeException type hint in documentation.
minor #13050 [Config] fixes broken unit test on ArrayNode class. (hhamon)

This PR was merged into the 2.3 branch.

Discussion
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[Config] fixes broken unit test on ArrayNode class.

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

Commits
-------

a7ee58a [Config] fixes broken unit test on ArrayNode class.
Merge branch '2.3' into 2.5

* 2.3:
  [Config] adds missing « use » statement for InvalidTypeException type hint in documentation.
  [Config] fixes broken unit test on ArrayNode class.
  fixed CS
  [Security] Delete old session on auth strategy migrate
  update required minimum TwigBridge version
  Very minor grammar fix in error message
  [Tests] Silenced all deprecations in tests for 2.3
  BinaryFileResponse - add missing newline
  fixed CS
  add a limit and a test to FlattenExceptionTest.
  CS: There should be no empty lines following phpdocs
  [FrameworkBundle] fix cache:clear command
  [2.3] Docblocks should not be followed by a blank line
  Fix return phpdoc
  [PropertyAccess] Added test to verify #5775 is fixed

Conflicts:
	src/Symfony/Bundle/TwigBundle/composer.json
	src/Symfony/Component/PropertyAccess/Tests/PropertyAccessorTest.php
	src/Symfony/Component/Security/Core/Tests/Validator/Constraints/UserPasswordValidatorTest.php