Enable some skipped tests

Some of these were formerly skipped in GitHub actions, but are passing now. Likely the culprit was ServiceConsoleTests.serviceShutdown all along, which is fixed in swiftlang#465

Author: jakepetroules

Tests/SWBTaskExecutionTests/PBXCpTests.swift

@@ -442,21 +442,32 @@ fileprivate struct PBXCpTests: CoreBasedTests {
     fileprivate let buffer0 = [UInt8](repeating: 0xAA, count: 1024 * 513)
     fileprivate let buffer1 = [UInt8](repeating: 0x55, count: 1024 * 513)
 
-    @Test(.skipHostOS(.windows, "LocalFS needs to use stat64 on windows...."),
-          .skipInGitHubActions("GitHub action runners do not have enough storage space for this test"))
+    @Test
     func largerFile() async throws {
-        try await withTemporaryDirectory { tmp in
+        let iterationCount = 4096
+        let buffers = buffer0 + buffer1
+        let requiredSpace = ByteCount(Int64(buffers.count * (iterationCount + 1) * 2 * 2))
+        let fs = localFS
+        try await withTemporaryDirectory(fs: fs) { tmp in
+            // If the available free disk space on this filesystem is less than twice the amount of data the test is expected to write (2 copies of the file times 2), skip it
+            if let freeSpace = try fs.getFreeDiskSpace(tmp), freeSpace < requiredSpace {
+                withKnownIssue {
+                    Issue.record("There is not enough free disk space to run this test (required: \(requiredSpace), free: \(freeSpace))")
+                    return
+                }
+            }
+
             // Test copying a large file.
             let src = tmp.join("src")
             let sName = src.join("file")
             let dst = tmp.join("dst")
             let dName = dst.join("file")
-            let fs = localFS
+
 
             try fs.createDirectory(src, recursive: true)
             var size = 0
             try await fs.write(sName) { fd in
-                for _ in 0...4096 {
+                for _ in 0...iterationCount {
                     size += try fd.writeAll(buffer0)
                     size += try fd.writeAll(buffer1)
                 }
@@ -470,8 +481,10 @@ fileprivate struct PBXCpTests: CoreBasedTests {
                     "copying src/...\n   copying file...\n    \(size) bytes\n"
                 ))
                 // Check permissions
-                let dstPerm = try fs.getFilePermissions(dName)
-                #expect(dstPerm == 0o644) // files are created with u+rw, g+wr, o+rw (and +x if src is executable) permissions and umask will adjust
+                if try ProcessInfo.processInfo.hostOperatingSystem() != .windows {
+                    let dstPerm = try fs.getFilePermissions(dName)
+                    #expect(dstPerm == 0o644) // files are created with u+rw, g+wr, o+rw (and +x if src is executable) permissions and umask will adjust
+                }
                 #expect(FileManager.default.contentsEqual(atPath: sName.str, andPath: dName.str))
             }
         }

Tests/SwiftBuildTests/ConsoleCommands/BuildCommandTests.swift

@@ -17,7 +17,7 @@ import SWBUtil
 import Testing
 import SwiftBuildTestSupport
 
-@Suite(.skipHostOS(.windows), .skipInGitHubActions("failing in the GitHub actions runner environment"))
+@Suite(.skipHostOS(.windows))
 fileprivate struct BuildCommandTests {
     private let commandSequenceCodec: any CommandSequenceEncodable = LLVMStyleCommandCodec()
 

Tests/SwiftBuildTests/ConsoleCommands/CreateXCFrameworkCommandTests.swift

@@ -17,7 +17,7 @@ import SWBTestSupport
 
 // Note: The functionality of this class is heavily unit tested in `XCFrameworkTests.swift`. These tests are only to ensure that the command is indeed hooked up and registered properly.
 
-@Suite(.skipInGitHubActions("failing in the GitHub actions runner environment"), .skipHostOS(.windows))
+@Suite(.skipHostOS(.windows))
 fileprivate struct CreateXCFrameworkCommandTests {
     @Test
     func commandInvocation() async throws {

Tests/SwiftBuildTests/ConsoleCommands/GeneralCommandsTests.swift

@@ -15,7 +15,7 @@ import SwiftBuild
 import SWBTestSupport
 import SWBUtil
 
-@Suite(.skipInGitHubActions("failing in the GitHub actions runner environment"), .skipHostOS(.windows))
+@Suite(.skipHostOS(.windows))
 fileprivate struct GeneralCommandsTests {
     @Test(.skipHostOS(.windows), // PTY not supported on Windows
         .requireHostOS(.macOS)) // something with terminal echo is different on macOS vs Linux

Tests/SwiftBuildTests/ConsoleCommands/ServiceConsoleTests.swift

@@ -25,7 +25,7 @@ import System
 import SystemPackage
 #endif
 
-@Suite(.skipHostOS(.windows))
+@Suite
 fileprivate struct ServiceConsoleTests {
     @Test
     func emptyInput() async throws {

Tests/SwiftBuildTests/ConsoleCommands/SessionCommandsTests.swift

@@ -14,7 +14,7 @@ import SWBTestSupport
 import Testing
 import SWBUtil
 
-@Suite(.skipInGitHubActions("failing in the GitHub actions runner environment"), .skipHostOS(.windows))
+@Suite(.skipHostOS(.windows))
 fileprivate struct SessionCommandsTests {
     @Test(.skipHostOS(.windows), // PTY not supported on Windows
         .requireHostOS(.macOS)) // something with terminal echo is different on macOS vs Linux

Tests/SwiftBuildTests/ConsoleCommands/XcodeCommandsTests.swift

@@ -14,7 +14,7 @@ import SWBTestSupport
 import Testing
 import SWBUtil
 
-@Suite(.skipInGitHubActions("failing in the GitHub actions runner environment"), .skipHostOS(.windows))
+@Suite(.skipHostOS(.windows))
 fileprivate struct XcodeCommandsTests {
     @Test(.skipHostOS(.windows), // PTY not supported on Windows
         .requireHostOS(.macOS)) // something with terminal echo is different on macOS vs Linux