[ticket/11615] Rename init_test to creation_test for clarity

PHPBB3-11615
[ticket/11615] Rename class in file to match

PHPBB3-11615
[ticket/11615] Remove magic number in creation_test

Removing this magic number to its own variable
with clean multiplication makes it clear
what the number represents.

PHPBB3-11615
[ticket/11615] Fix typo in creation_test

PHPBB3-11615
[ticket/10838] Updated RUNNING_TESTS.md

PHPBB3-10838
Merge remote-tracking branch 'asperous/ticket/11615/creation_test' into develop-olympus

* asperous/ticket/11615/creation_test:
  [ticket/11615] Fix typo in creation_test
  [ticket/11615] Remove magic number in creation_test
  [ticket/11615] Rename class in file to match
  [ticket/11615] Rename init_test to creation_test for clarity
[ticket/11618] Replace glob() with scandir() and string matching

Removes glob from template tests as glob() does not work on all
systems according to PHP documentation as has been noticed by users.

PHPBB3-11618
Merge remote-tracking branch 'Hardolaf/ticket/11618' into develop-olympus

* Hardolaf/ticket/11618:
  [ticket/11618] Replace glob() with scandir() and string matching
[ticket/10838] separate database used mentioned in unit tests

Separate database used for tests which is deleted each time
tests are run information is added to unit tests.

PHPBB3-10838
[ticket/10838] Fix missing data

PHPBB3-10838
[ticket/10838] Remove php 5.4 and builtin server references

PHPBB3-10838
[ticket/10838] Fix URL for wiki and remove irrelevant line

PHPBB3-10838
Merge remote-tracking branch 'dhruvgoel92/ticket/10838' into develop-olympus

* dhruvgoel92/ticket/10838:
  [ticket/10838] Fix URL for wiki and remove irrelevant line
  [ticket/10838] Remove php 5.4 and builtin server references
  [ticket/10838] Fix missing data
  [ticket/10838] separate database used mentioned in unit tests
  [ticket/10838] Updated RUNNING_TESTS.md