update check50_tests.py

Author: bxngyn

tests/check50_tests.py

@@ -100,7 +100,9 @@ def test_with_empty_file(self):
         process.expect_exact("foo.py exists")
         process.expect_exact(":(")
         process.expect_exact("prints hello")
-        process.expect_exact("expected \"hello\", not \"\"")
+        # process.expect_exact("expected \"hello\", not \"\"")
+        process.expect_exact("expected: \"hello\"")
+        process.expect_exact("actual:   \"\"")
         process.close(force=True)
 
 
@@ -146,7 +148,10 @@ def test_with_empty_file(self):
         process.expect_exact("foo.py exists")
         process.expect_exact(":(")
         process.expect_exact("prints hello name")
-        process.expect_exact("expected \"hello bar\", not \"\"")
+        # process.expect_exact("expected \"hello bar\", not \"\"")
+        # process.expect_exact(r"expected: \"hello bar\"\n    actual:   \"\"")
+        process.expect_exact("expected: \"hello bar\"")
+        process.expect_exact("actual:   \"\"")
         process.close(force=True)
 
     def test_with_correct_file(self):