Write images to the bmpblock in the order they appear in the yaml.

tests/bitmaps/TestBmpBlock.py

Index: tests/bitmaps/TestBmpBlock.py
diff --git a/tests/bitmaps/TestBmpBlock.py b/tests/bitmaps/TestBmpBlock.py
index ced270ee0cc908c42cb7a83480177b71494b0c25..cfab2ff742e6e6397beb8d885929d7a6ca139564 100755
--- a/tests/bitmaps/TestBmpBlock.py
+++ b/tests/bitmaps/TestBmpBlock.py
@@ -107,6 +107,26 @@ class TestPackUnpack(unittest.TestCase):
     self.assertEqual(0, rc)
 
 
+class TestReproducable(unittest.TestCase):
+
+  def setUp(self):
+    rc, out, err = runprog('/bin/rm', '-f', 'ORDER1', 'ORDER2')
+    self.assertEqual(0, rc)
+
+  def testReproduce(self):
+    """equivalent yaml files should produce identical bmpblocks"""
+    rc, out, err = runprog(prog, '-c', 'case_order1.yaml', 'ORDER1')
+    self.assertEqual(0, rc)
+    rc, out, err = runprog(prog, '-c', 'case_order2.yaml', 'ORDER2')
+    self.assertEqual(0, rc)
+    rc, out, err = runprog('/usr/bin/cmp', 'ORDER1', 'ORDER2')
+    self.assertEqual(0, rc)
+
+  def tearDown(self):
+    rc, out, err = runprog('/bin/rm', '-f', 'ORDER1', 'ORDER2')
+    self.assertEqual(0, rc)
+
+
 # Run these tests
 if __name__ == '__main__':
   varname = 'BMPBLK'