integration: fix result in eth_getBlockReceipts (#290)

Author: lupin012

integration/mainnet/eth_getBlockReceipts/test_07.json

@@ -8,8 +8,7 @@
         },
         "response": {
             "jsonrpc":"2.0",
-            "id":1,
-            "result": null 
+            "id":1
         }
     }
 ]

integration/run_tests.py

@@ -48,8 +48,6 @@
 
     "mainnet/debug_traceCall/test_02", # must be complete implementaion on latest
 
-    "mainnet/eth_getBlockReceipts/test_07", # new field
-
     "mainnet/debug_traceBlockByHash/test_05",  # diff on 1 gas
     "mainnet/debug_traceBlockByHash/test_08",  # diff on 3 gasCost
     "mainnet/debug_traceBlockByHash/test_09",  # diff on 60 gasCost, 8473 gas, 16 stack
@@ -64,13 +62,13 @@
     "mainnet/debug_traceBlockByNumber/test_11",  # diff on 1 gas and 1 gasCost
     "mainnet/debug_traceBlockByNumber/test_12",  # diff on 1 gas
 
-    "mainnet/debug_traceCallMany/test_02",  # to be analized 
-    "mainnet/debug_traceCallMany/test_04",  # to be analized 
-    "mainnet/debug_traceCallMany/test_05",  # to be analized 
-    "mainnet/debug_traceCallMany/test_06",  # to be analized 
+    "mainnet/debug_traceCallMany/test_02",  # to be analized
+    "mainnet/debug_traceCallMany/test_04",  # to be analized
+    "mainnet/debug_traceCallMany/test_05",  # to be analized
+    "mainnet/debug_traceCallMany/test_06",  # to be analized
     "mainnet/debug_traceCallMany/test_07",  # diff on many storage and many stack entries
     "mainnet/debug_traceCallMany/test_09",  # diff on 2 storage and 28 stack entries
-    "mainnet/debug_traceCallMany/test_10",  # to be analized 
+    "mainnet/debug_traceCallMany/test_10",  # to be analized
 
     "mainnet/debug_traceTransaction/test_25.json", # diff on error field
     "mainnet/debug_traceTransaction/test_36.json", # diff on error field