test: normalize SignatureHashAlgorithm spec newline

Ensure the spec ends with a trailing newline for consistent formatting.

Signed-off-by: Vitor Mattos <1079143+vitormattos@users.noreply.github.com>

Author: vitormattos

src/tests/views/Settings/SignatureHashAlgorithm.spec.ts

@@ -88,4 +88,4 @@ describe('SignatureHashAlgorithm.vue', () => {
 		expect(OCP.AppConfig.setValue).toHaveBeenCalledWith('libresign', 'signature_hash_algorithm', 'SHA384')
 		expect(wrapper.vm.idKey).toBe(1)
 	})
-})
+})