test: Update unit test to match expected behaviour

test/test_EKF_initialization.cpp

@@ -120,17 +120,12 @@ class EkfInitializationTest : public ::testing::Test {
 	{
 		const Dcmf R_to_earth = Dcmf(_ekf->getQuaternion());
 		const Vector3f dvel_bias_var = _ekf_wrapper.getDeltaVelBiasVariance();
-		const Vector3f accel_bias = _ekf->getAccelBias();
 
 		for (int i = 0; i < 3; i++){
 			if (fabsf(R_to_earth(2, i)) > 0.8f) {
 				// Highly observable, the variance decreases
 				EXPECT_LT(dvel_bias_var(i), 4.0e-6f) << "axis " << i;
 
-			} else {
-				// Poorly observable, the variance is set to 0
-				EXPECT_FLOAT_EQ(dvel_bias_var(i), 0.f) << "axis" << i;
-				EXPECT_FLOAT_EQ(accel_bias(i), 0.f) << "axis" << i;
 			}
 		}
 	}