feat (test for metada json checker): tests on AWS S3

[madvid]

User Story

As a dev, I want to be able to perform tests for the function checker which verify the validity of the tiff files based on information within the json file., so that @rcatini and @COTHSC can complete the unit tests and close the issue #18.

Acceptance Criteria

• [ ] create a subdirectory in tests/ on aws S3 with a valid case
• [ ] create subdirectories in tests/ on aws S3 wich are invalid due incorrect parameters/values (wrong size, wrong name of image, other ?)

Definition of Done

• [ ] Product Owner accepts the User Story
• [ ] Acceptance criteria met
• [ ] unit tests of issue #18 can be run

Defined by CICD:

• [ ] Code reviewed
• [ ] black compliant
• [ ] Unit tests passed
• [ ] Functional tests passed
• [ ] Non-Functional requirements met

[madvid]

@COTHSC and @rcatini can you tell me some cases parameters that I can tweak to create invalid cases

[madvid]

Has been done in issue 34