improve Record formatting in test logger

Author: arik-so

ci/LDKSwift/Tests/LDKSwiftTests/TestLogger.swift

@@ -11,7 +11,7 @@ import LDKHeaders
 class TestLogger: Logger {
 
     override func log(record: Record) {
-		print("some abstract log thing")
+		print("\nRLLogger (\(record.get_level())): \(record.get_file()):\(record.get_line()):\n> \(record.get_args())\n")
 	}
 
 }

xcode/DirectBindingsApp/DirectBindingsAppTests/test-batteries/TestLogger.swift

@@ -8,7 +8,7 @@
 class TestLogger: Logger {
 
     override func log(record: Record) {
-        print("log event: \(record.get_args())")
+        print("\nRLLogger (\(record.get_level())): \(record.get_file()):\(record.get_line()):\n> \(record.get_args())\n")
     }
 
 }