Tests: treat Windows as Linux (#620)

Treat Windows similarly to Linux as the functionality is near similar in
completeness.  While it is possible to support the DirectoryMonitor on
Windows, it is not yet implemented in DocC, so simply treat it as we do
Linux.

Author: compnerd

Tests/SwiftDocCTests/Servers/DocumentationSchemeHandlerTests.swift

@@ -24,7 +24,7 @@ class DocumentationSchemeHandlerTests: XCTestCase {
         forResource: "TestBundle", withExtension: "docc", subdirectory: "Test Bundles")!
 
     func testDocumentationSchemeHandler() {
-        #if !os(Linux) && !os(Android)
+        #if !os(Linux) && !os(Android) && !os(Windows)
         let topicSchemeHandler = DocumentationSchemeHandler(withTemplateURL: templateURL)
 
         let request = URLRequest(url:  baseURL.appendingPathComponent("/images/figure1.jpg"))
@@ -50,7 +50,7 @@ class DocumentationSchemeHandlerTests: XCTestCase {
     }
 
     func testSetData() {
-        #if !os(Linux) && !os(Android)
+        #if !os(Linux) && !os(Android) && !os(Windows)
         let topicSchemeHandler = DocumentationSchemeHandler(withTemplateURL: templateURL)
 
         let data = "hello!".data(using: .utf8)!

Tests/SwiftDocCUtilitiesTests/DirectoryMonitorTests.swift

@@ -11,7 +11,7 @@
 import XCTest
 @testable import SwiftDocCUtilities
 
-#if !os(Linux) && !os(Android)
+#if !os(Linux) && !os(Android) && !os(Windows)
 fileprivate extension NSNotification.Name {
     static let testNodeUpdated = NSNotification.Name(rawValue: "testNodeUpdated")
     static let testDirectoryReloaded = NSNotification.Name(rawValue: "testDirectoryReloaded")
@@ -24,7 +24,7 @@ func fileURLsAreEqual(_ url1: URL, _ url2: URL) -> Bool {
 #endif
 
 class DirectoryMonitorTests: XCTestCase {
-    #if !os(Linux) && !os(Android)
+    #if !os(Linux) && !os(Android) && !os(Windows)
     // - MARK: Directory watching test infra
 
     /// Method that automates setting up a directory monitor, setting up the relevant expectations for a test,
@@ -118,7 +118,7 @@ class DirectoryMonitorTests: XCTestCase {
     /// Tests a succession of file system changes and verifies that they produce
     /// the expected monitor events.
     func testMonitorUpdates() throws {
-        #if !os(Linux) && !os(Android)
+        #if !os(Linux) && !os(Android) && !os(Windows)
 
         // Create temp folder & sub-folder.
         let tempSubfolderURL = try createTemporaryDirectory(named: "subfolder")
@@ -167,7 +167,7 @@ class DirectoryMonitorTests: XCTestCase {
     }
 
     func testMonitorDoesNotTriggerUpdates() throws {
-        #if !os(Linux) && !os(Android)
+        #if !os(Linux) && !os(Android) && !os(Windows)
 
         // Create temp folder & sub-folder.
         let tempSubfolderURL = try createTemporaryDirectory(named: "subfolder")
@@ -200,7 +200,7 @@ class DirectoryMonitorTests: XCTestCase {
 
     /// Tests a zero sum change aggregation triggers an event.
     func testMonitorZeroSumSizeChangesUpdates() throws {
-        #if !os(Linux) && !os(Android)
+        #if !os(Linux) && !os(Android) && !os(Windows)
 
         // Create temp folder & sub-folder.
         let tempSubfolderURL = try createTemporaryDirectory(named: "subfolder")