dumbs of new tests. Two old dumbs got renewed. They were wrong, but have to check new ones

dream/tests/dump/SkilledOperator01.json.result

@@ -41,8 +41,8 @@
    "family": "Operator", 
    "id": "O1", 
    "results": {
-    "waiting_ratio": 98.70967741935483, 
-    "working_ratio": 1.2903225806451613
+    "waiting_ratio": 0.0, 
+    "working_ratio": 100.0
    }
   }, 
   {
@@ -50,8 +50,8 @@
    "family": "Operator", 
    "id": "O2", 
    "results": {
-    "waiting_ratio": 98.70967741935483, 
-    "working_ratio": 1.2903225806451613
+    "waiting_ratio": 87.09677419354838, 
+    "working_ratio": 12.903225806451612
    }
   }
  ], 

dream/tests/dump/SkilledOperator02.json.result

+{
+ "_class": "Dream.Simulation", 
+ "elementList": [
+  {
+   "_class": "Dream.Exit", 
+   "family": "Exit", 
+   "id": "E1", 
+   "results": {
+    "lifespan": 22.0, 
+    "takt_time": 22.0, 
+    "throughput": 1
+   }
+  }, 
+  {
+   "_class": "Dream.Machine", 
+   "family": "Server", 
+   "id": "M1", 
+   "results": {
+    "blockage_ratio": 0.0, 
+    "failure_ratio": 0.0, 
+    "load_ratio": 0.0, 
+    "waiting_ratio": 83.0, 
+    "working_ratio": 17.0
+   }
+  }, 
+  {
+   "_class": "Dream.Machine", 
+   "family": "Server", 
+   "id": "M2", 
+   "results": {
+    "blockage_ratio": 0.0, 
+    "failure_ratio": 0.0, 
+    "load_ratio": 0.0, 
+    "waiting_ratio": 98.0, 
+    "working_ratio": 2.0
+   }
+  }, 
+  {
+   "_class": "Dream.Operator", 
+   "family": "Operator", 
+   "id": "O1", 
+   "results": {
+    "waiting_ratio": 81.0, 
+    "working_ratio": 19.0
+   }
+  }, 
+  {
+   "_class": "Dream.Queue", 
+   "family": "Buffer", 
+   "id": "Q1", 
+   "results": {}
+  }, 
+  {
+   "_class": "Dream.Queue", 
+   "family": "Buffer", 
+   "id": "Q2", 
+   "results": {}
+  }
+ ], 
+ "general": {
+  "_class": "Dream.Configuration"
+ }
+}
\ No newline at end of file

dream/tests/dump/SkilledOperator03.json.result

+{
+ "_class": "Dream.Simulation", 
+ "elementList": [
+  {
+   "_class": "Dream.Exit", 
+   "family": "Exit", 
+   "id": "E1", 
+   "results": {
+    "lifespan": 43.0, 
+    "takt_time": 22.0, 
+    "throughput": 2
+   }
+  }, 
+  {
+   "_class": "Dream.Machine", 
+   "family": "Server", 
+   "id": "M1", 
+   "results": {
+    "blockage_ratio": 0.0, 
+    "failure_ratio": 0.0, 
+    "load_ratio": 0.0, 
+    "waiting_ratio": 66.0, 
+    "working_ratio": 34.0
+   }
+  }, 
+  {
+   "_class": "Dream.Machine", 
+   "family": "Server", 
+   "id": "M2", 
+   "results": {
+    "blockage_ratio": 0.0, 
+    "failure_ratio": 0.0, 
+    "load_ratio": 0.0, 
+    "waiting_ratio": 96.0, 
+    "working_ratio": 4.0
+   }
+  }, 
+  {
+   "_class": "Dream.Operator", 
+   "family": "Operator", 
+   "id": "O1", 
+   "results": {
+    "waiting_ratio": 62.0, 
+    "working_ratio": 38.0
+   }
+  }, 
+  {
+   "_class": "Dream.Queue", 
+   "family": "Buffer", 
+   "id": "Q1", 
+   "results": {}
+  }, 
+  {
+   "_class": "Dream.Queue", 
+   "family": "Buffer", 
+   "id": "Q2", 
+   "results": {}
+  }
+ ], 
+ "general": {
+  "_class": "Dream.Configuration"
+ }
+}
\ No newline at end of file

dream/tests/dump/SkilledOperatorShifts01.json.result

@@ -42,8 +42,8 @@
    "family": "Operator", 
    "id": "O1", 
    "results": {
-    "waiting_ratio": 100.0, 
-    "working_ratio": 0.0
+    "waiting_ratio": 66.0, 
+    "working_ratio": 34.0
    }
   }, 
   {
@@ -51,8 +51,8 @@
    "family": "Operator", 
    "id": "O2", 
    "results": {
-    "waiting_ratio": 100.0, 
-    "working_ratio": 0.0
+    "waiting_ratio": 95.5, 
+    "working_ratio": 4.5
    }
   }
  ],