Slightly improve examples

README.md

@@ -114,14 +114,15 @@ assert_output --partial "Invalid URL"
 ```
 ~~~
 
-Assert that a commit builds, and that a specific change breaks the tests (as discussed [here](https://sven.memcmp.org/2026-02-20-writing-the-steps-to-validate-a-test-in-the-commit-message/)):
+Assert that a specific change breaks the tests (as discussed [here](https://sven.memcmp.org/2026-02-20-writing-the-steps-to-validate-a-test-in-the-commit-message/)):
 
 ~~~
 ```git-check-assertions
-dotnet test
+run dotnet test
+assert_success
+
 sed -i '/crucial code/d' Main.fs
-dotnet build
-run dotnet test --no-build
+run dotnet test
 assert_failure
 ```
 ~~~
@@ -130,6 +131,9 @@ Assert that a specific change in a commit is necessary for the tests to succeed:
 
 ~~~
 ```git-check-assertions
+run dotnet test
+assert_success
+
 git checkout HEAD~ Main.fs
 run dotnet test
 assert_failure