fix FactCheck for probabiistic descent

test/test_direct_search_with_probabilistic_descent.jl

@@ -32,27 +32,27 @@ facts("Random direction generator") do
   rdg2 = BlackBoxOptim.RandomDirectionGen(10, 17)
   ds2 = BlackBoxOptim.directions_for_k(rdg2, 1)
   @fact size(ds2) => (10, 17)
-  
+
 end
 
 facts("Mirrored random direction generator") do
 
   mrdg1 = BlackBoxOptim.MirroredRandomDirectionGen(2, 4)
   ds1 = BlackBoxOptim.directions_for_k(mrdg1, 1)
   @fact size(ds1) => (2, 4)
-  @fact ds1[:,3] == -ds1[:,1] => true
-  @fact ds1[:,4] == -ds1[:,2] => true
+  @fact ds1[:,3] => -ds1[:,1]
+  @fact ds1[:,4] => -ds1[:,2]
 
   mrdg2 = BlackBoxOptim.MirroredRandomDirectionGen(10, 6)
   ds2 = BlackBoxOptim.directions_for_k(mrdg2, 1)
   @fact size(ds2) => (10, 6)
-  @fact ds2[:,4] == -ds2[:,1] => true
-  @fact ds2[:,5] == -ds2[:,2] => true
-  @fact ds2[:,6] == -ds2[:,3] => true
-  
+  @fact ds2[:,4] => -ds2[:,1]
+  @fact ds2[:,5] => -ds2[:,2]
+  @fact ds2[:,6] => -ds2[:,3]
+
   # Must be even number of directions
   @fact_throws BlackBoxOptim.MirroredRandomDirectionGen(10, 1)
   @fact_throws BlackBoxOptim.MirroredRandomDirectionGen(10, 3)
   @fact_throws BlackBoxOptim.MirroredRandomDirectionGen(10, 7)
 
-end
+end