diff --git a/tests/02-output.graphml b/tests/02-output.graphml
index cf10f80..9dfe50c 100644
--- a/tests/02-output.graphml
+++ b/tests/02-output.graphml
@@ -22,6 +22,7 @@
   <key id="dPivot" for="edge" attr.name="pivot" attr.type="string"/>
   <key id="dChunk" for="edge" attr.name="chunk" attr.type="string"/>
   <graph id="G0" edgedefault="directed">
+    <data key="dStateMachine"/>
     <data key="dName">SM</data>
     <node id="nMeta">
       <data key="dNote">formal</data>
diff --git a/tests/03-output.graphml b/tests/03-output.graphml
index d093897..634263f 100644
--- a/tests/03-output.graphml
+++ b/tests/03-output.graphml
@@ -22,6 +22,7 @@
   <key id="dPivot" for="edge" attr.name="pivot" attr.type="string"/>
   <key id="dChunk" for="edge" attr.name="chunk" attr.type="string"/>
   <graph id="G0" edgedefault="directed">
+    <data key="dStateMachine"/>
     <data key="dName">SM</data>
     <node id="nMeta">
       <data key="dNote">formal</data>
diff --git a/tests/06-output.graphml b/tests/06-output.graphml
index 73756da..19a8eb7 100644
--- a/tests/06-output.graphml
+++ b/tests/06-output.graphml
@@ -22,6 +22,7 @@
   <key id="dPivot" for="edge" attr.name="pivot" attr.type="string"/>
   <key id="dChunk" for="edge" attr.name="chunk" attr.type="string"/>
   <graph id="G0" edgedefault="directed">
+    <data key="dStateMachine"/>
     <data key="dName">SM1</data>
     <node id="nMeta">
       <data key="dNote">formal</data>
@@ -36,6 +37,7 @@ eventPropagation/ block
     </node>
   </graph>
   <graph id="G1" edgedefault="directed">
+    <data key="dStateMachine"/>
     <data key="dName">SM2</data>
     <data key="dGeometry">
       <rect x="1.000000" y="2.000000" width="300.000000" height="40.000000"/>
diff --git a/tests/07-output.graphml b/tests/07-output.graphml
index 9040be5..73db9e8 100644
--- a/tests/07-output.graphml
+++ b/tests/07-output.graphml
@@ -22,6 +22,7 @@
   <key id="dPivot" for="edge" attr.name="pivot" attr.type="string"/>
   <key id="dChunk" for="edge" attr.name="chunk" attr.type="string"/>
   <graph id="G0" edgedefault="directed">
+    <data key="dStateMachine"/>
     <data key="dName">SM</data>
     <node id="nMeta">
       <data key="dNote">formal</data>
diff --git a/tests/08-output.graphml b/tests/08-output.graphml
index 1d6fe40..f0e4264 100644
--- a/tests/08-output.graphml
+++ b/tests/08-output.graphml
@@ -22,6 +22,7 @@
   <key id="dPivot" for="edge" attr.name="pivot" attr.type="string"/>
   <key id="dChunk" for="edge" attr.name="chunk" attr.type="string"/>
   <graph id="G0" edgedefault="directed">
+    <data key="dStateMachine"/>
     <data key="dName">SM</data>
     <node id="nMeta">
       <data key="dNote">formal</data>
diff --git a/tests/09-output.graphml b/tests/09-output.graphml
index 22089bc..5cc3461 100644
--- a/tests/09-output.graphml
+++ b/tests/09-output.graphml
@@ -22,6 +22,7 @@
   <key id="dPivot" for="edge" attr.name="pivot" attr.type="string"/>
   <key id="dChunk" for="edge" attr.name="chunk" attr.type="string"/>
   <graph id="G0" edgedefault="directed">
+    <data key="dStateMachine"/>
     <data key="dName">SM</data>
     <node id="nMeta">
       <data key="dNote">formal</data>
diff --git a/tests/10-output.graphml b/tests/10-output.graphml
index e3bf8d8..41c0b4e 100644
--- a/tests/10-output.graphml
+++ b/tests/10-output.graphml
@@ -22,6 +22,7 @@
   <key id="dPivot" for="edge" attr.name="pivot" attr.type="string"/>
   <key id="dChunk" for="edge" attr.name="chunk" attr.type="string"/>
   <graph id="G0" edgedefault="directed">
+    <data key="dStateMachine"/>
     <data key="dName">SM</data>
     <node id="nMeta">
       <data key="dNote">formal</data>
diff --git a/tests/11-output.graphml b/tests/11-output.graphml
index cd422a7..ff0c36f 100644
--- a/tests/11-output.graphml
+++ b/tests/11-output.graphml
@@ -22,6 +22,7 @@
   <key id="dPivot" for="edge" attr.name="pivot" attr.type="string"/>
   <key id="dChunk" for="edge" attr.name="chunk" attr.type="string"/>
   <graph id="G0" edgedefault="directed">
+    <data key="dStateMachine"/>
     <data key="dName">SM</data>
     <node id="nMeta">
       <data key="dNote">formal</data>
diff --git a/tests/12-output.graphml b/tests/12-output.graphml
index 60a3ae9..b43c85e 100644
--- a/tests/12-output.graphml
+++ b/tests/12-output.graphml
@@ -22,6 +22,7 @@
   <key id="dPivot" for="edge" attr.name="pivot" attr.type="string"/>
   <key id="dChunk" for="edge" attr.name="chunk" attr.type="string"/>
   <graph id="G0" edgedefault="directed">
+    <data key="dStateMachine"/>
     <data key="dName">SM</data>
     <node id="nMeta">
       <data key="dNote">formal</data>
diff --git a/tests/13-output.graphml b/tests/13-output.graphml
index 02cf9e1..fc33df8 100644
--- a/tests/13-output.graphml
+++ b/tests/13-output.graphml
@@ -22,6 +22,7 @@
   <key id="dPivot" for="edge" attr.name="pivot" attr.type="string"/>
   <key id="dChunk" for="edge" attr.name="chunk" attr.type="string"/>
   <graph id="G0" edgedefault="directed">
+    <data key="dStateMachine"/>
     <data key="dName">SM</data>
     <node id="nMeta">
       <data key="dNote">formal</data>
diff --git a/tests/14-output.graphml b/tests/14-output.graphml
index fc76aff..44d377e 100644
--- a/tests/14-output.graphml
+++ b/tests/14-output.graphml
@@ -22,6 +22,7 @@
   <key id="dPivot" for="edge" attr.name="pivot" attr.type="string"/>
   <key id="dChunk" for="edge" attr.name="chunk" attr.type="string"/>
   <graph id="G0" edgedefault="directed">
+    <data key="dStateMachine"/>
     <data key="dName">SM</data>
     <node id="nMeta">
       <data key="dNote">formal</data>
diff --git a/tests/15-output.graphml b/tests/15-output.graphml
index cd59ea0..89c9ad0 100644
--- a/tests/15-output.graphml
+++ b/tests/15-output.graphml
@@ -22,6 +22,7 @@
   <key id="dPivot" for="edge" attr.name="pivot" attr.type="string"/>
   <key id="dChunk" for="edge" attr.name="chunk" attr.type="string"/>
   <graph id="G0" edgedefault="directed">
+    <data key="dStateMachine"/>
     <data key="dName">SM</data>
     <node id="nMeta">
       <data key="dNote">formal</data>
diff --git a/tests/16-output.graphml b/tests/16-output.graphml
index 68f3c4a..f332c8c 100644
--- a/tests/16-output.graphml
+++ b/tests/16-output.graphml
@@ -22,6 +22,7 @@
   <key id="dPivot" for="edge" attr.name="pivot" attr.type="string"/>
   <key id="dChunk" for="edge" attr.name="chunk" attr.type="string"/>
   <graph id="G" edgedefault="directed">
+    <data key="dStateMachine"/>
     <data key="dName"></data>
     <node id="nMeta">
       <data key="dNote">formal</data>
diff --git a/tests/17-output.graphml b/tests/17-output.graphml
index af76146..a8bcef8 100644
--- a/tests/17-output.graphml
+++ b/tests/17-output.graphml
@@ -22,6 +22,7 @@
   <key id="dPivot" for="edge" attr.name="pivot" attr.type="string"/>
   <key id="dChunk" for="edge" attr.name="chunk" attr.type="string"/>
   <graph id="G" edgedefault="directed">
+    <data key="dStateMachine"/>
     <data key="dName">Автобортник</data>
     <node id="nMeta">
       <data key="dNote">formal</data>
diff --git a/tests/18-output.graphml b/tests/18-output.graphml
index 6cf9f1c..e4e12d4 100644
--- a/tests/18-output.graphml
+++ b/tests/18-output.graphml
@@ -22,6 +22,7 @@
   <key id="dPivot" for="edge" attr.name="pivot" attr.type="string"/>
   <key id="dChunk" for="edge" attr.name="chunk" attr.type="string"/>
   <graph id="G" edgedefault="directed">
+    <data key="dStateMachine"/>
     <data key="dName">orientation</data>
     <node id="nMeta">
       <data key="dNote">formal</data>
diff --git a/tests/19-output.graphml b/tests/19-output.graphml
index a0e4ffc..8daed57 100644
--- a/tests/19-output.graphml
+++ b/tests/19-output.graphml
@@ -22,6 +22,7 @@
   <key id="dPivot" for="edge" attr.name="pivot" attr.type="string"/>
   <key id="dChunk" for="edge" attr.name="chunk" attr.type="string"/>
   <graph id="G" edgedefault="directed">
+    <data key="dStateMachine"/>
     <data key="dName">node 0</data>
     <node id="nMeta">
       <data key="dNote">formal</data>
diff --git a/tests/20-output.graphml b/tests/20-output.graphml
index ff1de48..d6b53b4 100644
--- a/tests/20-output.graphml
+++ b/tests/20-output.graphml
@@ -22,6 +22,7 @@
   <key id="dPivot" for="edge" attr.name="pivot" attr.type="string"/>
   <key id="dChunk" for="edge" attr.name="chunk" attr.type="string"/>
   <graph id="G" edgedefault="directed">
+    <data key="dStateMachine"/>
     <data key="dName">parent</data>
     <node id="nMeta">
       <data key="dNote">formal</data>