tests: Add testcase for OrderedDict equality.

There's a need for .exp file because CPython renders OrderedDict's as:

OrderedDict([('b', 2)])

while MicroPython as:

OrderedDict({'b': 2})

1 files changed, 44 insertions, 0 deletions

diff --git a/tests/basics/ordereddict_eq.py b/tests/basics/ordereddict_eq.py
new file mode 100644
index 000000000..274660877
--- /dev/null
+++ b/tests/basics/ordereddict_eq.py
@@ -0,0 +1,44 @@
+try:
+    from collections import OrderedDict
+except ImportError:
+    try:
+        from ucollections import OrderedDict
+    except ImportError:
+        print("SKIP")
+        import sys
+        sys.exit()
+
+x = OrderedDict()
+y = OrderedDict()
+x['a'] = 1
+x['b'] = 2
+y['a'] = 1
+y['b'] = 2
+print(x)
+print(y)
+print(x == y)
+
+z = OrderedDict()
+z['b'] = 2
+z['a'] = 1
+print(y)
+print(z)
+print(y == z)
+
+del z['b']
+z['b'] = 2
+print(y)
+print(z)
+print(y == z)
+
+del x['a']
+del y['a']
+print(x)
+print(y)
+print(x == y)
+
+del z['b']
+del y['b']
+print(y)
+print(z)
+print(y == z)