update example tests

examples/simple_storage2_test.sol

@@ -25,10 +25,5 @@ contract MyTest2 {
     return Assert.equal(foo.get(), 200, "initial value is not correct");
   }
 
-  // TODO: the tests don't necessarily run in order
-  //function initialValueShouldBe400() public constant returns (bool) {
-  //  return Assert.equal(foo.get(), 400, "initial value is not correct");
-  //}
-
 }
 

examples/simple_storage_test.sol

@@ -4,11 +4,19 @@ import "./simple_storage.sol";
 
 contract MyTest {
   SimpleStorage foo;
+  uint i = 0;
 
   function beforeAll() {
     foo = new SimpleStorage();
   }
 
+  function beforeEach() {
+    if (i == 1) {
+      foo.set(200);
+    }
+    i += 1;
+  }
+
   function initialValueShouldBe100() public {
     Assert.equal(foo.get(), 100, "initial value is not correct");
   }