@@ -18,7 +18,7 @@
 
 
 class TestResults:
-    def __init__(self):
+    def __init__(self) -> None:
         self.bad: TestList = []
         self.good: TestList = []
         self.rerun_bad: TestList = []
@@ -38,22 +38,22 @@ def __init__(self):
         # used by -T with -j
         self.covered_lines: set[Location] = set()
 
-    def is_all_good(self):
+    def is_all_good(self) -> bool:
         return (not self.bad
                 and not self.skipped
                 and not self.interrupted
                 and not self.worker_bug)
 
-    def get_executed(self):
+    def get_executed(self) -> set[TestName]:
         return (set(self.good) | set(self.bad) | set(self.skipped)
                 | set(self.resource_denied) | set(self.env_changed)
                 | set(self.run_no_tests))
 
-    def no_tests_run(self):
+    def no_tests_run(self) -> bool:
         return not any((self.good, self.bad, self.skipped, self.interrupted,
                         self.env_changed))
 
-    def get_state(self, fail_env_changed):
+    def get_state(self, fail_env_changed: bool) -> str:
         state = []
         if self.bad:
             state.append("FAILURE")
@@ -204,7 +204,7 @@ def display_result(self, tests: TestTuple, quiet: bool, print_slowest: bool):
         omitted = set(tests) - self.get_executed()
 
         # less important
-        all_tests.append((omitted, "test", "{} omitted:"))
+        all_tests.append((sorted(omitted), "test", "{} omitted:"))
         if not quiet:
             all_tests.append((self.skipped, "test", "{} skipped:"))
             all_tests.append((self.resource_denied, "test", "{} skipped (resource denied):"))