diff --git a/PHP Monitor.xcodeproj/xcshareddata/xcschemes/PHP Monitor DEV.xcscheme b/PHP Monitor.xcodeproj/xcshareddata/xcschemes/PHP Monitor DEV.xcscheme
index 0f36fe6..0b2dcd1 100644
--- a/PHP Monitor.xcodeproj/xcshareddata/xcschemes/PHP Monitor DEV.xcscheme	
+++ b/PHP Monitor.xcodeproj/xcshareddata/xcschemes/PHP Monitor DEV.xcscheme	
@@ -79,11 +79,11 @@
             isEnabled = "NO">
          </CommandLineArgument>
          <CommandLineArgument
-            argument = "--configuration:/tmp/pmc_working.json"
+            argument = "--configuration:~/.phpmon_fconf_working.json"
             isEnabled = "YES">
          </CommandLineArgument>
          <CommandLineArgument
-            argument = "--configuration:/tmp/pmc_broken.json"
+            argument = "--configuration:~/.phpmon_fconf_broken.json"
             isEnabled = "NO">
          </CommandLineArgument>
       </CommandLineArguments>
diff --git a/phpmon/Common/Shell/RealShell.swift b/phpmon/Common/Shell/RealShell.swift
index 77ab643..7f10d21 100644
--- a/phpmon/Common/Shell/RealShell.swift
+++ b/phpmon/Common/Shell/RealShell.swift
@@ -8,6 +8,9 @@
 
 import Foundation
 
+extension Process: @unchecked Sendable {}
+extension Timer: @unchecked Sendable {}
+
 class RealShell: ShellProtocol {
     /**
      The launch path of the terminal in question that is used.
@@ -123,7 +126,8 @@ class RealShell: ShellProtocol {
         withTimeout timeout: TimeInterval = 5.0
     ) async throws -> (Process, ShellOutput) {
         let task = getShellProcess(for: command)
-        var output = ShellOutput(out: "", err: "")
+        // TODO: Make ShellOutput a struct again and add a class type for this use case only
+        let output = ShellOutput(out: "", err: "")
 
         task.listen { incoming in
             output.out += incoming; didReceiveOutput(incoming, .stdOut)
@@ -134,7 +138,7 @@ class RealShell: ShellProtocol {
         return try await withCheckedThrowingContinuation({ continuation in
             var timer: Timer?
 
-            task.terminationHandler = { process in
+            task.terminationHandler = { [timer, output] process in
                 process.haltListening()
 
                 timer?.invalidate()
diff --git a/phpmon/Common/Shell/ShellProtocol.swift b/phpmon/Common/Shell/ShellProtocol.swift
index a6e2fed..eea59d4 100644
--- a/phpmon/Common/Shell/ShellProtocol.swift
+++ b/phpmon/Common/Shell/ShellProtocol.swift
@@ -52,7 +52,7 @@ enum ShellStream: Codable {
     case stdOut, stdErr, stdIn
 }
 
-struct ShellOutput {
+class ShellOutput {
     var out: String
     var err: String
 
@@ -60,6 +60,11 @@ struct ShellOutput {
         return err.lengthOfBytes(using: .utf8) > 0
     }
 
+    init(out: String, err: String) {
+        self.out = out
+        self.err = err
+    }
+
     static func out(_ out: String?, _ err: String? = nil) -> ShellOutput {
         return ShellOutput(out: out ?? "", err: err ?? "")
     }
diff --git a/phpmon/Common/Testables/TestableConfiguration.swift b/phpmon/Common/Testables/TestableConfiguration.swift
index b27ac18..80ed1cd 100644
--- a/phpmon/Common/Testables/TestableConfiguration.swift
+++ b/phpmon/Common/Testables/TestableConfiguration.swift
@@ -31,10 +31,11 @@ public struct TestableConfiguration: Codable {
     }
 
     static func loadFrom(path: String) -> TestableConfiguration {
+        let url = URL(fileURLWithPath: path.replacingTildeWithHomeDirectory)
+
         return try! JSONDecoder().decode(
             TestableConfiguration.self,
-            from: try! String(contentsOf: URL(fileURLWithPath: path), encoding: .utf8)
-                .data(using: .utf8)!
+            from: try! String(contentsOf: url, encoding: .utf8).data(using: .utf8)!
         )
     }
 }
diff --git a/phpmon/Domain/DomainList/AddSiteVC.swift b/phpmon/Domain/DomainList/AddSiteVC.swift
index 9ae5fde..a427613 100644
--- a/phpmon/Domain/DomainList/AddSiteVC.swift
+++ b/phpmon/Domain/DomainList/AddSiteVC.swift
@@ -51,7 +51,7 @@ class AddSiteVC: NSViewController, NSTextFieldDelegate {
 
     // MARK: - Outlet Interactions
 
-    @IBAction func pressedCreateLink(_ sender: Any) async {
+    func createLink() async {
         let path = pathControl.url!.path
         let name = inputDomainName.stringValue
 
@@ -89,6 +89,10 @@ class AddSiteVC: NSViewController, NSTextFieldDelegate {
             )
     }
 
+    @IBAction func pressedCreateLink(_ sender: Any) {
+        Task { await createLink() }
+    }
+
     @IBAction func pressedCancel(_ sender: Any) {
         dismissView(outcome: .cancel)
     }
diff --git a/phpmon/Domain/DomainList/DomainListVC.swift b/phpmon/Domain/DomainList/DomainListVC.swift
index df410a1..24c47be 100644
--- a/phpmon/Domain/DomainList/DomainListVC.swift
+++ b/phpmon/Domain/DomainList/DomainListVC.swift
@@ -110,7 +110,7 @@ class DomainListVC: NSViewController, NSTableViewDelegate, NSTableViewDataSource
     @MainActor public func setUIBusy() {
         // If it takes more than 0.5s to set the UI to not busy, show a spinner
         timer = Timer.scheduledTimer(withTimeInterval: 0.5, repeats: false, block: { _ in
-            self.progressIndicator.startAnimation(true)
+            DispatchQueue.main.async { self.progressIndicator.startAnimation(true) }
         })
 
         tableView.alphaValue = 0.3
diff --git a/tests/unit/Testables/TestableConfigurationTest.swift b/tests/unit/Testables/TestableConfigurationTest.swift
index 9398783..97ec216 100644
--- a/tests/unit/Testables/TestableConfigurationTest.swift
+++ b/tests/unit/Testables/TestableConfigurationTest.swift
@@ -11,10 +11,20 @@ import XCTest
 class TestableConfigurationTest: XCTestCase {
     func test_configuration_can_be_saved_as_json() async {
         var configuration = TestableConfigurations.working
-        try! configuration.toJson().write(toFile: "/tmp/pmc_working.json", atomically: true, encoding: .utf8)
+        
+        try! configuration.toJson().write(
+            toFile: NSHomeDirectory() + "/.phpmon_fconf_working.json",
+            atomically: true,
+            encoding: .utf8
+        )
 
         configuration.filesystem["/opt/homebrew/bin/php"] = nil
-        try! configuration.toJson().write(toFile: "/tmp/pmc_broken.json", atomically: true, encoding: .utf8)
+
+        try! configuration.toJson().write(
+            toFile: NSHomeDirectory() + "/.phpmon_fconf_broken.json",
+            atomically: true,
+            encoding: .utf8
+        )
     }
 }