diff --git a/test/gtest_solve_problem_force_torque_inertial_dynamics.cpp b/test/gtest_solve_problem_force_torque_inertial_dynamics.cpp
index 8cc70b7e1dbc6fb62e8018947ec97b538c5b33b0..8c300b749a775ea1e556708a2895430cf3e3b53c 100644
--- a/test/gtest_solve_problem_force_torque_inertial_dynamics.cpp
+++ b/test/gtest_solve_problem_force_torque_inertial_dynamics.cpp
@@ -726,7 +726,7 @@ TEST_F(Test_SolveProblemForceTorqueInertialDynamics_yaml, rotation_test_unfixing
 
         // orientation (quaternion and total angle) 
         // FIXME JS: this should be on top but it works better here, weird...
-        quat_true       = quat_true * exp_q(ang_vel_true * dt /*+ 0.5 * ang_acc_true * dt * dt*/);
+        quat_true      *= exp_q(ang_vel_true * dt /*+ 0.5 * ang_acc_true * dt * dt*/);
         angle_true     += ang_vel_true * dt /*+ 0.5 * ang_acc_true * dt * dt*/;
         
         // // w = L*i_inv  we actualize the data
@@ -778,7 +778,7 @@ TEST_F(Test_SolveProblemForceTorqueInertialDynamics_yaml, rotation_test_unfixing
     WOLF_INFO("Estimated IMU bias      : ", S->getStateBlock('I')->getState().transpose(), " m/s2 | rad/s.");
     WOLF_INFO("True center of mass     : ", cdm_true.transpose(), " m.");
     WOLF_INFO("Guess center of mass    : ", cdm_guess.transpose(), " m.");
-    WOLF_INFO("Estimated cneter of mass: ", S->getStateBlock('C')->getState().transpose(), " m.");
+    WOLF_INFO("Estimated center of mass: ", S->getStateBlock('C')->getState().transpose(), " m.");
     WOLF_INFO("True inertia            : ", inertia_true.transpose(), " m^2 Kg.");
     WOLF_INFO("Guess inertia           : ", inertia_guess.transpose(), " m^2 Kg.");
     WOLF_INFO("Estimated inertia       : ", S->getStateBlock('i')->getState().transpose(), " m^2 Kg.");
@@ -801,6 +801,6 @@ TEST_F(Test_SolveProblemForceTorqueInertialDynamics_yaml, rotation_test_unfixing
 int main(int argc, char **argv)
 {
     testing::InitGoogleTest(&argc, argv);
-    ::testing::GTEST_FLAG(filter) = "Test_SolveProblemForceTorqueInertialDynamics_yaml.rotation_test_unfixing";
+    // ::testing::GTEST_FLAG(filter) = "Test_SolveProblemForceTorqueInertialDynamics_yaml.rotation_test_unfixing";
     return RUN_ALL_TESTS();
 }