[C4GT] Statement: Add tests for PresentationDigestAlreadyAnchored

[vatsa287]

Description

Subtask under : cord-network/community#7

New testcase can be tested under cargo test -p pallet-statement after adding it in the code.

Goals

• Add tests for PresentationDigestAlreadyAnchored for pallet/statement

Expected Outcome

• Test should assert for PresentationDigestAlreadyAnchored being returned properly in all the possible calls.
• If there are more than one function returning this error code, all of them should be validated either as one test case or as multiple test cases.

Acceptance Criteria

NA

Implementation Details

Look at other test cases, and add a test case for the same.
Ex: check method trying_to_register_statement_by_a_non_delegate_should_fail which validates error code UnauthorizedOperation

Mockups / Wireframes

NA

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Product Name

CORD

Organization Name

Dhiway

Domain

Blockchain

Tech Skills Needed

Rust

Mentor(s)

@amarts

Complexity

[Low]

Category

[Test]

Sub Category

[Beginner friendly]

[Sayanjones]

@vatsa287 I'm interested on this project. Can we discuss further?

[rising0raj]

Hey, @vatsa287 I would like to work on this . I have gone through the code base can you assign this to me if it is open??

[Sohajawdekar]

Hello @vatsa287 !
I am interested in contributing to this project, can you please assign me this ticket ?

[summerpun2803]

@vatsa287 I would like to contribute to this project

[VishnuAmit]

Hey @vatsa287 I would like to take on this project. Kindly assign it to me.
Regards

[PayalKumari10]

Hello @vatsa287 @amarts, I want to work on this project
Can you assign this issue to me?