tests/extmod: Add test for passing cadata into ssl.wrap_socket().

For coverage.

Signed-off-by: Damien George <damien@micropython.org>

tests/extmod/ssl_cadata.py

@@ -0,0 +1,14 @@
+# Test ssl.wrap_socket() with cadata passed in.
+
+try:
+    import io
+    import ssl
+except ImportError:
+    print("SKIP")
+    raise SystemExit
+
+# Invalid cadata.
+try:
+    ssl.wrap_socket(io.BytesIO(), cadata=b"!")
+except ValueError as er:
+    print(repr(er))

tests/extmod/ssl_cadata.py.exp

@@ -0,0 +1 @@
+ValueError('invalid cert',)