Fix pointer to capture instead of frame

test/gtest_processor_diff_drive.cpp

@@ -347,7 +347,7 @@ TEST_F(ProcessorDiffDriveTest, linear)
     data(0) = 100.0 ; // one turn of the wheels
     data(1) = 100.0 ;
 
-    auto C = std::make_shared<CaptureDiffDrive>(t, sensor, data, data_cov, F0);
+    auto C = std::make_shared<CaptureDiffDrive>(t, sensor, data, data_cov, F0->getCaptureList().front());
 
     C->process();
     WOLF_TRACE("t = ", t, "; x = ", processor->getCurrentState().transpose());
@@ -372,7 +372,7 @@ TEST_F(ProcessorDiffDriveTest, angular)
     data(0) = -20.0 ; // one fifth of a turn of the left wheel, in reverse
     data(1) =  20.0 ; // one fifth of a turn of the right wheel, forward --> we'll turn left --> positive angle
 
-    auto C = std::make_shared<CaptureDiffDrive>(t, sensor, data, data_cov, F0);
+    auto C = std::make_shared<CaptureDiffDrive>(t, sensor, data, data_cov, F0->getCaptureList().front());
 
     C->process();
     WOLF_TRACE("t = ", t, "; x = ", processor->getCurrentState().transpose());