tests: Replace umodule with module everywhere.

This work was funded through GitHub Sponsors.

Signed-off-by: Jim Mussared <jim.mussared@gmail.com>

tests/extmod/socket_tcp_basic.py

@@ -0,0 +1,14 @@
+# Test basic, stand-alone TCP socket functionality
+
+try:
+    import socket, errno
+except ImportError:
+    print("SKIP")
+    raise SystemExit
+
+# recv() on a fresh socket should raise ENOTCONN
+s = socket.socket()
+try:
+    s.recv(1)
+except OSError as er:
+    print("ENOTCONN:", er.errno == errno.ENOTCONN)