regenerate expected json output of tests

tests/expected_json/arbitrary_send.arbitrary-send.json

@@ -5,7 +5,7 @@
         ],
         "contract": "Test",
         "filename": "tests/arbitrary_send.sol",
-        "func": "direct",
+        "function": "direct",
         "sourceMapping": [
             {
                 "filename": "tests/arbitrary_send.sol",
@@ -24,7 +24,7 @@
         ],
         "contract": "Test",
         "filename": "tests/arbitrary_send.sol",
-        "func": "indirect",
+        "function": "indirect",
         "sourceMapping": [
             {
                 "filename": "tests/arbitrary_send.sol",

tests/expected_json/backdoor.suicidal.json

@@ -2,7 +2,7 @@
     {
         "contract": "C",
         "filename": "tests/backdoor.sol",
-        "func": "i_am_a_backdoor",
+        "function": "i_am_a_backdoor",
         "sourceMapping": {
             "filename": "tests/backdoor.sol",
             "length": 74,

tests/expected_json/external_function.external-function.json

@@ -2,7 +2,7 @@
     {
         "contract": "ContractWithFunctionNotCalled",
         "filename": "tests/external_function.sol",
-        "func": "funcNotCalled",
+        "function": "funcNotCalled",
         "sourceMapping": {
             "filename": "tests/external_function.sol",
             "length": 40,
@@ -18,7 +18,7 @@
     {
         "contract": "ContractWithFunctionNotCalled",
         "filename": "tests/external_function.sol",
-        "func": "funcNotCalled2",
+        "function": "funcNotCalled2",
         "sourceMapping": {
             "filename": "tests/external_function.sol",
             "length": 41,
@@ -34,7 +34,7 @@
     {
         "contract": "ContractWithFunctionNotCalled",
         "filename": "tests/external_function.sol",
-        "func": "funcNotCalled3",
+        "function": "funcNotCalled3",
         "sourceMapping": {
             "filename": "tests/external_function.sol",
             "length": 41,
@@ -50,7 +50,7 @@
     {
         "contract": "ContractWithFunctionNotCalled2",
         "filename": "tests/external_function.sol",
-        "func": "funcNotCalled",
+        "function": "funcNotCalled",
         "sourceMapping": {
             "filename": "tests/external_function.sol",
             "length": 304,

tests/expected_json/inline_assembly_contract.assembly.json

@@ -2,7 +2,7 @@
     {
         "contract": "GetCode",
         "filename": "tests/inline_assembly_contract.sol",
-        "function_name": "at",
+        "function": "at",
         "sourceMapping": [
             {
                 "filename": "tests/inline_assembly_contract.sol",

tests/expected_json/inline_assembly_library.assembly.json

@@ -2,7 +2,7 @@
     {
         "contract": "VectorSum",
         "filename": "tests/inline_assembly_library.sol",
-        "function_name": "sumAsm",
+        "function": "sumAsm",
         "sourceMapping": [
             {
                 "filename": "tests/inline_assembly_library.sol",
@@ -21,7 +21,7 @@
     {
         "contract": "VectorSum",
         "filename": "tests/inline_assembly_library.sol",
-        "function_name": "sumPureAsm",
+        "function": "sumPureAsm",
         "sourceMapping": [
             {
                 "filename": "tests/inline_assembly_library.sol",

tests/expected_json/low_level_calls.low-level-calls.json

@@ -2,7 +2,7 @@
     {
         "contract": "Sender",
         "filename": "tests/low_level_calls.sol",
-        "function_name": "send",
+        "function": "send",
         "sourceMapping": [
             {
                 "filename": "tests/low_level_calls.sol",

tests/expected_json/reentrancy.reentrancy.json

@@ -5,7 +5,7 @@
         ],
         "contract": "Reentrancy",
         "filename": "tests/reentrancy.sol",
-        "function_name": "withdrawBalance",
+        "function": "withdrawBalance",
         "send_eth": [
             "! (msg.sender.call.value(userBalance[msg.sender])())"
         ],

tests/expected_json/tx_origin.tx-origin.json

@@ -2,7 +2,7 @@
     {
         "contract": "TxOrigin",
         "filename": "tests/tx_origin.sol",
-        "function_name": "bug0",
+        "function": "bug0",
         "sourceMapping": [
             {
                 "filename": "tests/tx_origin.sol",
@@ -18,7 +18,7 @@
     {
         "contract": "TxOrigin",
         "filename": "tests/tx_origin.sol",
-        "function_name": "bug2",
+        "function": "bug2",
         "sourceMapping": [
             {
                 "filename": "tests/tx_origin.sol",