Why wasn't this caught by the compiler?

Author: alexr00

src/test/view/prsTree.test.ts

@@ -151,7 +151,7 @@ describe('GitHub Pull Requests view', function () {
 					);
 				});
 			}).pullRequest;
-			const prItem0 = parseGraphQLPullRequest(pr0.repository.pullRequest, gitHubRepository);
+			const prItem0 = await parseGraphQLPullRequest(pr0.repository.pullRequest, gitHubRepository);
 			const pullRequest0 = new PullRequestModel(credentialStore, telemetry, gitHubRepository, remote, prItem0);
 
 			const pr1 = gitHubRepository.addGraphQLPullRequest(builder => {
@@ -168,7 +168,7 @@ describe('GitHub Pull Requests view', function () {
 					);
 				});
 			}).pullRequest;
-			const prItem1 = parseGraphQLPullRequest(pr1.repository.pullRequest, gitHubRepository);
+			const prItem1 = await parseGraphQLPullRequest(pr1.repository.pullRequest, gitHubRepository);
 			const pullRequest1 = new PullRequestModel(credentialStore, telemetry, gitHubRepository, remote, prItem1);
 
 			const repository = new MockRepository();