US02: GetEdgeTypeById
3 Scenarios
User Story
Scenario: Get existing edge type by ID
Given the database contains an edge type with ID {edgeTypeId}
When I send a GET request to /api/edgetypes/{edgeTypeId}
#UAC01
Then the response status should be 200 OK
#UAC02
And the response should contain the edge type
#UAC03
And the edge type should include source and target node types
#UAC04
And the edge type should include edge type properties