Conditionalize integration tests on HF_TOKEN

Author: mattt

Tests/HubTests/DownloaderTests.swift

@@ -53,7 +53,7 @@ struct DownloaderUnitTests {
 }
 
 @Suite("Downloader (integration)",
-       .disabled(if: ProcessInfo.processInfo.environment["HUB_NETWORK_TESTS"] != "1", "Set HUB_NETWORK_TESTS=1 to run network tests"))
+       .disabled(if: ProcessInfo.processInfo.environment["HF_TOKEN"] == "", "Set HF_TOKEN to run network tests"))
 struct DownloaderIntegrationTests {
     @Test("successful download and content matches", .timeLimit(.minutes(2)))
     func successfulDownload() async throws {

Tests/HubTests/HubApiIntegrationTests.swift

@@ -1,7 +1,7 @@
 //
 //  HubApiIntegrationTests.swift
 //
-//  Networked tests gated by HUB_NETWORK_TESTS=1
+//  Networked tests gated by HF_TOKEN=1
 //
 
 import Foundation
@@ -10,7 +10,7 @@ import Testing
 @testable import Hub
 
 @Suite("Hub API (integration)",
-       .disabled(if: ProcessInfo.processInfo.environment["HUB_NETWORK_TESTS"] != "1", "Set HUB_NETWORK_TESTS=1 to run network tests"))
+       .disabled(if: ProcessInfo.processInfo.environment["HF_TOKEN"] == "", "Set HF_TOKEN to run network tests"))
 struct HubApiIntegrationTests {
     @Test(
         "config download (snake_case)",
@@ -53,7 +53,7 @@ struct HubApiIntegrationTests {
 }
 
 @Suite("Snapshot download (integration)",
-       .disabled(if: ProcessInfo.processInfo.environment["HUB_NETWORK_TESTS"] != "1", "Set HUB_NETWORK_TESTS=1 to run network tests"))
+       .disabled(if: ProcessInfo.processInfo.environment["HF_TOKEN"] == "", "Set HF_TOKEN to run network tests"))
 struct SnapshotDownloadIntegrationTests {
     let repo = "coreml-projects/Llama-2-7b-chat-coreml"
     let lfsRepo = "pcuenq/smol-lfs"

Tests/HubTests/HubApiTests.swift

@@ -11,7 +11,7 @@ import Testing
 
 @Suite(
     "Hub API (filenames and metadata)",
-    .disabled(if: ProcessInfo.processInfo.environment["HUB_NETWORK_TESTS"] != "1", "Set HUB_NETWORK_TESTS=1 to run network tests")
+    .disabled(if: ProcessInfo.processInfo.environment["HF_TOKEN"] == "", "Set HF_TOKEN to run network tests")
 )
 struct HubApiFilenamesAndMetadataTests {
     // TODO: use a specific revision for these tests
@@ -110,7 +110,7 @@ struct HubApiFilenamesAndMetadataTests {
 
 @Suite(
     "Snapshot download",
-    .disabled(if: ProcessInfo.processInfo.environment["HUB_NETWORK_TESTS"] != "1", "Set HUB_NETWORK_TESTS=1 to run network tests")
+    .disabled(if: ProcessInfo.processInfo.environment["HF_TOKEN"] == "", "Set HF_TOKEN to run network tests")
 )
 struct SnapshotDownloadTests {
     let repo = "coreml-projects/Llama-2-7b-chat-coreml"