changed test function to np.allclose as per suggerstion

opty/tests/test_direct_collocation.py

@@ -1647,10 +1647,9 @@ def obj_grad(free):
             len(state_symbols), len(control_symbols), num_nodes)
 
     states, controls, constants = prob.parse_free(initial_guess)
-    assert(np.all(states == statesu))
-    assert(np.all(controls == controlsu))
-    assert(np.all(constants == constantsu))
-
+    assert(np.allclose(states, statesu))
+    assert(np.allclose(controls, controlsu))
+    assert(np.allclose(constants, constantsu))
 
     # test with variable interval_value
     interval_value = h
@@ -1684,7 +1683,7 @@ def obj_grad(free):
         num_nodes, variable_duration=True)
 
     states, controls, constants, times = prob.parse_free(initial_guess)
-    assert(np.all(states == statesu))
-    assert(np.all(controls == controlsu))
-    assert(np.all(constants == constantsu))
-    assert(np.all(timeu == times))
+    assert(np.allclose(states, statesu))
+    assert(np.allclose(controls, controlsu))
+    assert(np.allclose(constants, constantsu))
+    assert(np.allclose(timeu, times))