public String getId() {
        return this.id;
    }
Get the ID of this test case.

<p>This ID is unique across all smoke test cases for all operations
bound to the same service, and can be used to generate test case names.

@return Returns the smoke test case ID.
smithy-smoke-test-traits/src/main/java/software/amazon/smithy/smoketests/traits/SmokeTestCase.java