test: Allow for larger vel variance growth due to dvel bias variance

test/test_EKF_externalVision.cpp

@@ -281,7 +281,7 @@ TEST_F(EkfExternalVisionTest, velocityFrameBody)
 	// THEN: As the drone is turned 90 degrees, velocity variance
 	//       along local y axis is expected to be bigger
 	const Vector3f velVar_new = _ekf->getVelocityVariance();
-	EXPECT_NEAR(velVar_new(1) / velVar_new(0), 80.f, 10.f);
+	EXPECT_NEAR(velVar_new(1) / velVar_new(0), 80.f, 15.f);
 
 	const Vector3f vel_earth_est = _ekf->getVelocity();
 	EXPECT_NEAR(vel_earth_est(0), 0.0f, 0.1f);
@@ -316,7 +316,7 @@ TEST_F(EkfExternalVisionTest, velocityFrameLocal)
 	// THEN: Independently on drones heading, velocity variance
 	//       along local x axis is expected to be bigger
 	const Vector3f velVar_new = _ekf->getVelocityVariance();
-	EXPECT_NEAR(velVar_new(0) / velVar_new(1), 80.f, 10.f);
+	EXPECT_NEAR(velVar_new(0) / velVar_new(1), 80.f, 15.f);
 
 	const Vector3f vel_earth_est = _ekf->getVelocity();
 	EXPECT_NEAR(vel_earth_est(0), 1.0f, 0.1f);