diff --git a/test/runtests.jl b/test/runtests.jl
index 20189a9389e479138cbffcab42609fc1e55188d0..75039e2a0c8cd0d274b56e006839c039b87e52a8 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -1,5 +1,5 @@
-using LabProcesses, ControlSystems
-using Base.Test
+using LabProcesses, ControlSystems, DSP
+using Test
 
 # Reference generators
 r = PRBSGenerator(Int(4))
@@ -8,14 +8,14 @@ seq = [r() for i = 1:10]
 foreach(r,1:10_000)
 
 function test_sysfilter()
-        N = 10
-        u = randn(N)
-        b = [1, 1]
-        a = [1, 0.1, 1]
-	  sys = ss(tf(b,a,1))
+	N     = 10
+	u     = randn(N)
+	b     = [1, 1]
+	a     = [1, 0.1, 1]
+	sys   = ss(tf(b,a,1))
 	state = init_sysfilter(sys)
-       yf = filt(b,a,u)
-	  yff = similar(yf)
+	yf    = filt(b,a,u)
+	yff   = similar(yf)
 	for i in eachindex(u)
 		yff[i] = sysfilter!(state, sys, u[i])[1]
 	end