[tests] Fix flake8 warnings in getblocktemplate tests

test/functional/getblocktemplate_proposals.py

@@ -75,7 +75,8 @@ class GetBlockTemplateProposalTest(BitcoinTestFramework):
 
     def run_test(self):
         node = self.nodes[0]
-        node.generate(1) # Mine a block to leave initial block download
+        # Mine a block to leave initial block download
+        node.generate(1)
         tmpl = node.getblocktemplate()
         if 'coinbasetxn' not in tmpl:
             rawcoinbase = encodeUNum(tmpl['height'])
@@ -88,12 +89,6 @@ class GetBlockTemplateProposalTest(BitcoinTestFramework):
         # Test 0: Capability advertised
         assert('proposal' in tmpl['capabilities'])
 
-        # NOTE: This test currently FAILS (regtest mode doesn't enforce block height in coinbase)
-        ## Test 1: Bad height in coinbase
-        #txlist[0][4+1+36+1+1] += 1
-        #assert_template(node, tmpl, txlist, 'FIXME')
-        #txlist[0][4+1+36+1+1] -= 1
-
         # Test 2: Bad input hash for gen tx
         txlist[0][4 + 1] += 1
         assert_template(node, tmpl, txlist, 'bad-cb-missing')