diff --git a/test/reagenttest/testratomasync.cljs b/test/reagenttest/testratomasync.cljs
index 58a53f1..7678301 100644
--- a/test/reagenttest/testratomasync.cljs
+++ b/test/reagenttest/testratomasync.cljs
@@ -75,29 +75,36 @@
     (is (= (running) runs))))
 
 (deftest test-from-reflex
+  (sync)
   (let [runs (running)]
     (let [!counter (rv/atom 0)
           !signal (rv/atom "All I do is change")
-          co (run!
-              ;;when I change...
-              @!signal
-              ;;update the counter
-              (swap! !counter inc))]
+          co (ar (fn []
+                   ;;when I change...
+                   @!signal
+                   ;;update the counter
+                   (swap! !counter inc)))]
+      (is (= 0 @!counter))
+      (sync)
       (is (= 1 @!counter) "Constraint run on init")
       (reset! !signal "foo")
+      (sync)
       (is (= 2 @!counter)
           "Counter auto updated")
       (dispose co))
     (let [!x (rv/atom 0)
-          !co (rv/make-reaction #(inc @!x) :auto-run true)]
+          !co (rv/make-reaction #(inc @!x) :auto-run :async)]
+      (sync)
       (is (= 1 @!co) "CO has correct value on first deref") 
-      (swap! !x inc) 
+      (swap! !x inc)
+      (sync)
       (is (= 2 @!co) "CO auto-updates")
       (dispose !co))
     (is (= runs (running)))))
 
 
 (deftest test-unsubscribe
+  (sync)
   (dotimes [x testite]
     (let [runs (running)
           a (rv/atom 0)
@@ -111,31 +118,37 @@
           c (reaction
              (swap! c-changed inc)
              (+ 10 @a2))
-          res (run!
-               (if (< @a2 1) @b @c))]
+          res (ar (fn []
+                    (if (< @a2 1) @b @c)))]
       (is (= @res (+ 2 @a)))
       (is (= @b-changed 1))
       (is (= @c-changed 0))
              
       (reset! a -1)
-      (is (= @res (+ 2 @a)))
+      (is (= @b-changed 1))
+      (sync)
+
       (is (= @b-changed 2))
       (is (= @c-changed 0))
+      (is (= @res (+ 2 @a)))
              
       (reset! a 2)
-      (is (= @res (+ 10 @a)))
-      (is (<= 2 @b-changed 3))
+      (sync)
+      (is (= @b-changed 3))
       (is (= @c-changed 1))
+      (is (= @res (+ 10 @a)))
              
       (reset! a 3)
-      (is (= @res (+ 10 @a)))
-      (is (<= 2 @b-changed 3))
+      (sync)
+      (is (= @b-changed 3))
       (is (= @c-changed 2))
+      (is (= @res (+ 10 @a)))
              
       (reset! a 3)
-      (is (= @res (+ 10 @a)))
-      (is (<= 2 @b-changed 3))
+      (sync)
+      (is (= @b-changed 3))
       (is (= @c-changed 2))
+      (is (= @res (+ 10 @a)))
              
       (reset! a -1)
       (is (= @res (+ 2 @a)))
@@ -143,6 +156,7 @@
       (is (= runs (running))))))
 
 (deftest maybe-broken
+  (sync)
   (let [runs (running)]
     (let [runs (running)
           a (rv/atom 0)
@@ -150,8 +164,9 @@
           c (reaction (dec @a))
           d (reaction (str @b))
           res (rv/atom 0)
-          cs (run!
-              (reset! res @d))]
+          cs (ar
+              #(reset! res @d))]
+      (sync)
       (is (= @res "1"))
       (dispose cs))
     ;; should be broken according to https://github.com/lynaghk/reflex/issues/1
@@ -159,16 +174,17 @@
     (let [a (rv/atom 0)
           b (reaction (inc @a))
           c (reaction (dec @a))
-          d (run! [@b @c])]
+          d (ar (fn [] [@b @c]))]
       (is (= @d [1 -1]))
       (dispose d))
     (let [a (rv/atom 0)
           b (reaction (inc @a))
           c (reaction (dec @a))
-          d (run! [@b @c])
+          d (ar (fn [] [@b @c]))
           res (rv/atom 0)]
       (is (= @d [1 -1]))
-      (let [e (run! (reset! res @d))]
+      (let [e (ar #(reset! res @d))]
+        (sync)
         (is (= @res [1 -1]))
         (dispose e))
       (dispose d))
@@ -190,28 +206,33 @@
                               :on-dispose #(reset! disposed-c true))
           res (rv/atom nil)
           cns (rv/make-reaction #(reset! res @c)
-                                :auto-run true
+                                :auto-run :async
                                 :on-dispose #(reset! disposed-cns true))]
-      @cns
+      (sync)
       (is (= @res 2))
       (is (= (+ 4 runs) (running)))
       (is (= @count-b 1))
       (reset! a -1)
+      (is (= @res 2))
+      (sync)
       (is (= @res 1))
       (is (= @disposed nil))
       (is (= @count-b 2))
       (is (= (+ 4 runs) (running)) "still running")
       (reset! a 2)
+      (sync)
       (is (= @res 1))
       (is (= @disposed true))
       (is (= (+ 2 runs) (running)) "less running count")
 
       (reset! disposed nil)
       (reset! a -1)
+      (sync)
       ;; This fails sometimes on node. I have no idea why.
       (is (= 1 @res) "should be one again")
       (is (= @disposed nil))
       (reset! a 2)
+      (sync)
       (is (= @res 1))
       (is (= @disposed true))
       (dispose cns)
@@ -220,17 +241,20 @@
       (is (= runs (running))))))
 
 (deftest test-on-set
+  (sync)
   (let [runs (running)
         a (rv/atom 0)
         b (rv/make-reaction #(+ 5 @a)
-                            :auto-run true
+                            :auto-run :async
                             :on-set (fn [oldv newv]
                                       (reset! a (+ 10 newv))))]
-    @b
+    (sync)
     (is (= 5 @b))
     (reset! a 1)
+    (sync)
     (is (= 6 @b))
     (reset! b 1)
+    (sync)
     (is (= 11 @a))
     (is (= 16 @b))
     (dispose b)