Add unitetests for get raw

[sidey79]

• Please check if the PR fulfills these requirements

• Tests for the changes have been added / modified (needed for for bug fixes / features)
• commandref has been added / updated (needed for bug fixes / features)
• CHANGED has been updated (needed for bug fixes / features)

• What kind of change does this PR introduce? (Bug fix, feature, docs update, ...)

Unittests

• What is the current behavior? (You can also link to an open issue here)

There are no unittests which verifies different get raw .. options

• What is the new behavior (if this is a feature change)?

The following commands are checked
get raw ?
get raw is...
get raw MS;..

get raw file=
Option which opens a existing file doesn't work. This has to be done somehow later.

• Does this PR introduce a breaking change? (What changes might users need to make in their application due to this PR?)

No

• Other information:

[sidey79]

@HomeAutoUser

Kannst Du freigeben?

[HomeAutoUser]

Dein Wunsch sei mir Befehl ;)