Fix compile warning in libevt and print response when test fail in ap…

…i_test.py

bind/libevt/evt.cpp

@@ -43,6 +43,7 @@ thread_local int last_error_code = 0;
 int
 evt_set_last_error(int code) {
     last_error_code = code;
+    return code;
 }
 
 int

unittests/api_tests.py

@@ -141,49 +141,49 @@ def test_get_domains(self):
             'keys': [user.pub_key.to_string()]
         }
         resp = api.get_domains(json.dumps(req)).text
-        self.assertTrue(domain_name in resp)
+        self.assertTrue(domain_name in resp, msg=resp)
 
     def test_get_tokens(self):
         req = {
             'keys': [user.pub_key.to_string()]
         }
         resp = api.get_tokens(json.dumps(req)).text
-        self.assertTrue(token1_name in resp)
-        self.assertFalse(token2_name in resp)
-        self.assertFalse(token3_name in resp)
+        self.assertTrue(token1_name in resp, msg=resp)
+        self.assertFalse(token2_name in resp, msg=resp)
+        self.assertFalse(token3_name in resp, msg=resp)
 
     def test_get_groups(self):
         req = {
             'keys': [user.pub_key.to_string()]
         }
 
         resp = api.get_groups(json.dumps(req)).text
-        self.assertTrue(group_name in resp)
+        self.assertTrue(group_name in resp, msg=resp)
 
     def test_get_fungibles(self):
         req = {
             'keys': [user.pub_key.to_string()]
         }
 
         resp = api.get_fungibles(json.dumps(req)).text
-        self.assertTrue(str(sym_id) in resp)
+        self.assertTrue(str(sym_id) in resp, msg=resp)
 
     def test_get_assets(self):
         req = {
             'address': user.pub_key.to_string()
         }
 
         resp = api.get_assets(json.dumps(req)).text
-        self.assertTrue(str(sym_id) in resp)
-        self.assertTrue('99' in resp)
+        self.assertTrue(str(sym_id) in resp, msg=resp)
+        self.assertTrue('99' in resp, msg=resp)
 
         req = {
             'address': pub2.to_string()
         }
 
         resp = api.get_assets(json.dumps(req)).text
-        self.assertTrue(str(sym_id) in resp)
-        self.assertTrue('1' in resp)
+        self.assertTrue(str(sym_id) in resp, msg=resp)
+        self.assertTrue('1' in resp, msg=resp)
 
     def test_get_actions(self):
         req = {
@@ -198,7 +198,7 @@ def test_get_actions(self):
         req['domain'] = domain_name
 
         resp = api.get_actions(json.dumps(req)).text
-        self.assertTrue(token1_name in resp)
+        self.assertTrue(token1_name in resp, msg=resp)
 
         req = {
             'domain': '.fungible',
@@ -212,7 +212,7 @@ def test_get_actions(self):
         req['key'] = sym_id
 
         resp = api.get_actions(json.dumps(req)).text
-        self.assertTrue('everipay' in resp)
+        self.assertTrue('everipay' in resp, msg=resp)
 
     def test_get_fungible_actions(self):
         req = {
@@ -224,8 +224,8 @@ def test_get_fungible_actions(self):
         req['sym_id'] = sym_id
 
         resp = api.get_fungible_actions(json.dumps(req)).text
-        self.assertTrue('issuefungible' in resp)
-        self.assertTrue(str(sym_id) in resp)
+        self.assertTrue('issuefungible' in resp, msg=resp)
+        self.assertTrue(str(sym_id) in resp, msg=resp)
 
     def test_get_transaction(self):
         name = fake_name()
@@ -245,8 +245,8 @@ def test_get_transaction(self):
         req['id'] = res_dict['transaction_id']
 
         resp = api.get_transaction(json.dumps(req)).text
-        self.assertTrue('newdomain' in resp)
-        self.assertTrue(name in resp)
+        self.assertTrue('newdomain' in resp, msg=resp)
+        self.assertTrue(name in resp, msg=resp)
 
     def test_get_transactions(self):
         req = {
@@ -261,10 +261,10 @@ def test_get_transactions(self):
         req['keys'] = [user.pub_key.to_string()]
 
         resp = api.get_transactions(json.dumps(req)).text
-        self.assertTrue(domain_name in resp)
-        self.assertTrue(token1_name in resp)
-        self.assertTrue(group_name in resp)
-        self.assertTrue(str(sym_id) in resp)
+        self.assertTrue(domain_name in resp, msg=resp)
+        self.assertTrue(token1_name in resp, msg=resp)
+        self.assertTrue(group_name in resp, msg=resp)
+        self.assertTrue(str(sym_id) in resp, msg=resp)
 
 
 @click.command()