✅ Conditional tests

- RealWebApiTest requires api.phpmon.test to be reachable or skips
- CommandTest requires php binary or skips

tests/unit/Conditions/Binaries.swift

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+//
+//  Binaries.swift
+//  PHP Monitor
+//
+//  Created by Nico Verbruggen on 16/02/2026.
+//  Copyright © 2026 Nico Verbruggen. All rights reserved.
+//
+
+import Foundation
+
+class Binaries {
+    static func exist(paths: [String]) -> Bool {
+        for path in paths where FileManager.default.fileExists(atPath: path) {
+            return true
+        }
+
+        return false
+    }
+}

tests/unit/Conditions/TestURL.swift

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+//
+//  URLReachable.swift
+//  PHP Monitor
+//
+//  Created by Nico Verbruggen on 16/02/2026.
+//  Copyright © 2026 Nico Verbruggen. All rights reserved.
+//
+
+import Foundation
+
+class TestURL {
+    static func isReachable(url: String) -> Bool {
+        let process = Process()
+
+        process.executableURL = URL(fileURLWithPath: "/usr/bin/curl")
+        process.arguments = [
+            "-s", "-o", "/dev/null",
+            "--max-time", "3",
+            url
+        ]
+
+        process.standardOutput = Pipe()
+        process.standardError = Pipe()
+
+        do {
+            try process.run()
+            process.waitUntilExit()
+            return process.terminationStatus == 0
+        } catch {
+            return false
+        }
+    }
+}