Load test credentials relative to source file

Author: TimurBaiguskarovAspose

Tests/AsposeBarcodeCloudTests/AsposeBarcodeCloudTests.swift

@@ -279,9 +279,21 @@ private enum TestConfiguration {
             return configuration
         }
 
+        if let configuration = loadFromFile(sourceRelativeConfigPath()) {
+            return configuration
+        }
+
         return loadFromEnvironment(ProcessInfo.processInfo.environment)
     }
 
+    private static func sourceRelativeConfigPath() -> String {
+        URL(fileURLWithPath: #filePath)
+            .deletingLastPathComponent()
+            .deletingLastPathComponent()
+            .appendingPathComponent("configuration.json")
+            .path
+    }
+
     private static func loadFromFile(_ path: String) -> AsposeBarcodeCloudConfiguration? {
         guard FileManager.default.fileExists(atPath: path),
               let data = FileManager.default.contents(atPath: path)