Add static data for endswith; fix test typing

Author: esarp

mypyc/lib-rt/static_data.c

@@ -52,6 +52,7 @@ intern_strings(void) {
     INTERN_STRING(close_, "close");
     INTERN_STRING(copy, "copy");
     INTERN_STRING(dispatch_cache, "dispatch_cache");
+    INTERN_STRING(endswith, "endswith");
     INTERN_STRING(get_type_hints, "get_type_hints");
     INTERN_STRING(keys, "keys");
     INTERN_STRING(items, "items");

mypyc/lib-rt/static_data.h

@@ -44,6 +44,7 @@ typedef struct mypyc_interned_str_struct {
     PyObject *close_;
     PyObject *copy;
     PyObject *dispatch_cache;
+    PyObject *endswith;
     PyObject *get_type_hints;
     PyObject *keys;
     PyObject *items;

mypyc/test-data/run-bytes.test

@@ -238,9 +238,9 @@ def test_endswith() -> None:
     assert test.endswith(bytearray(b'string'))
     assert not test.endswith(bytearray(b'other'))
 
-    test = bytearray(b'some string')
-    assert test.endswith(b'string')
-    assert not test.endswith(b'other')
+    test2 = bytearray(b'some string')
+    assert test2.endswith(b'string')
+    assert not test2.endswith(b'other')
 
 [case testBytesSlicing]
 def test_bytes_slicing() -> None: