Drop fetch helper

Author: finestructure

Tests/AppTests/ErrorReportingTests.swift

@@ -25,7 +25,7 @@ class ErrorReportingTests: AppTestCase {
                               error: AppError.cacheDirectoryDoesNotExist(pkg.id, "path"),
                               stage: .ingestion)
         do {
-            let pkg = try fetch(id: pkg.id, on: app.db)
+            let pkg = try await XCTUnwrapAsync(try await Package.find(pkg.id, on: app.db))
             XCTAssertEqual(pkg.status, .cacheDirectoryDoesNotExist)
             XCTAssertEqual(pkg.processingStage, .ingestion)
         }

Tests/AppTests/Util.swift

@@ -128,11 +128,6 @@ func savePackages(on db: Database, _ urls: [URL],
 }
 
 
-func fetch(id: Package.Id?, on db: Database, file: StaticString = #file, line: UInt = #line) throws -> Package {
-    try XCTUnwrap(try Package.find(id, on: db).wait(), file: (file), line: line)
-}
-
-
 // MARK: - Client mocking