diff --git a/src/test/gtest_IMU.cpp b/src/test/gtest_IMU.cpp
index ab6d914c16446930506b626480dbafaa6531e7dc..d717135617eb64a0a07f019b54a26ed97f481152 100644
--- a/src/test/gtest_IMU.cpp
+++ b/src/test/gtest_IMU.cpp
@@ -376,6 +376,13 @@ class Process_Constraint_IMU : public testing::Test
             // ===================================== IMU CALLBACK
             processor_imu->keyFrameCallback(KF, 0.01);
 
+
+
+
+            data = Vector6s::Zero();
+            capture_imu = make_shared<CaptureIMU>(t+dt, sensor_imu, data, sensor_imu->getNoiseCov());
+            processor_imu->process(capture_imu);
+
             KF_1 = problem->getLastKeyFramePtr();
             C_1  = KF_1->getCaptureList().front(); // front is IMU
             CM_1 = static_pointer_cast<CaptureMotion>(C_1);