         .onSuccess { str in
             success = true
         }
-        Thread.sleep(forTimeInterval: 100.milliseconds)
+        Thread.sleep(forTimeInterval: 200.milliseconds)
         XCTAssertTrue(success, "future must not complete if bind evaluation is false")
     }
     

        .onSuccess { str in
            success = true
        }
        Thread.sleep(forTimeInterval: 100.milliseconds)
        XCTAssertFalse(success, "future must not complete if bind evaluation is false")
        
        

        .onSuccess { str in
            success = true
        }
        Thread.sleep(forTimeInterval: 200.milliseconds)
        XCTAssertTrue(success, "future must not complete if bind evaluation is false")
    }
    
