bless cargo-miri output

I think cargo has a bug here: rust-lang/cargo#11191
but for now we bless its output so that we can keep CI green

test-cargo-miri/run-test.py

@@ -36,7 +36,7 @@ def check_output(actual, path, name):
     expected = open(path).read()
     if expected == actual:
         return True
-    print(f"{path} did not match reference!")
+    print(f"output did not match reference in {path}!")
     print(f"--- BEGIN diff {name} ---")
     for text in difflib.unified_diff(expected.split("\n"), actual.split("\n")):
         print(text)

test-cargo-miri/test.filter.stdout.ref

@@ -1,4 +1,9 @@
 
+running 0 tests
+
+test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
+
+
 running 0 tests
 
 test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 2 filtered out
@@ -10,8 +15,3 @@ test simple ... ok
 
 test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 5 filtered out
 
-
-running 0 tests
-
-test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 4 filtered out; finished in $TIME
-