Use assert_array_equal to compare results in scalar timeresp test

Use assert_array_equal to compare results in scalar timeresp test · python-control/python-control@a05b9d5

Original file line number	Diff line number	Diff line change
`@@ -470,9 +470,9 @@ def terminal_cost(x, u):`
`470`	`470`	`r1 = traj1.response(teval)`
`471`	`471`	`r2 = traj2.response(teval)`
`472`	`472`
`473`		`-assert np.max(abs(r1.x-r2.x)) == 0`
`474`		`-assert np.max(abs(r1.u-r2.u)) == 0`
`475`		`-assert np.max(abs(r1.y-r2.y)) == 0`
	`473`	`+np.testing.assert_array_equal(r1.x, r2.x)`
	`474`	`+np.testing.assert_array_equal(r1.y, r2.y)`
	`475`	`+np.testing.assert_array_equal(r1.u, r2.u)`
`476`	`476`
`477`	`477`
`478`	`478`	`def test_bezier_basis(self):`