Merge #11849: [tests] Assert that only one NetworkThread exists

5c8ff26 [tests] Add NetworkThread assertions (John Newbery)
34e08b3 [tests] Fix network threading in functional tests (John Newbery)
74e64f2 [tests] Use network_thread_start() in tests. (John Newbery)
5fc6e71 [tests] Add network_thread_ utility functions. (John Newbery)

Pull request description:

  Add assert that only one NetworkThread exists at any time in functional tests, and fix cases where that wasn't true.

  fixes #11776

Tree-SHA512: fe5d1c59005f94bf66e11bb23ccf274b1cd9913741b56ea11dbcd21db4cc0b53b4413c0c4c16dbcd6ac611adad5e5cc2baaa39720598ce7b6393889945d06298

1 files changed, 2 insertions, 2 deletions

diff --git a/test/functional/maxuploadtarget.py b/test/functional/maxuploadtarget.py
index 5ef71c93cf..cf2e484d9f 100755
--- a/test/functional/maxuploadtarget.py
+++ b/test/functional/maxuploadtarget.py
@@ -57,7 +57,7 @@ class MaxUploadTest(BitcoinTestFramework):
         for _ in range(3):
             p2p_conns.append(self.nodes[0].add_p2p_connection(TestNode()))
 
-        NetworkThread().start() # Start up network handling in another thread
+        network_thread_start()
         for p2pc in p2p_conns:
             p2pc.wait_for_verack()
 
@@ -149,7 +149,7 @@ class MaxUploadTest(BitcoinTestFramework):
         # Reconnect to self.nodes[0]
         self.nodes[0].add_p2p_connection(TestNode())
 
-        NetworkThread().start() # Start up network handling in another thread
+        network_thread_start()
         self.nodes[0].p2p.wait_for_verack()
 
         #retrieve 20 blocks which should be enough to break the 1MB limit