[Test] invalid team annotation integration test

Author: mzruya

tests/fixtures/invalid_project/ruby/app/models/blockchain.rb

@@ -0,0 +1,3 @@
+# @team Web3
+
+class Blockchain; end

tests/invalid_project_test.rs

@@ -11,7 +11,8 @@ fn test_validate() -> Result<(), Box<dyn Error>> {
         .assert()
         .failure()
         .stdout(predicate::str::contains("CODEOWNERS out of date. Run `codeownership generate` to update the CODEOWNERS file"))
-        .stdout(predicate::str::contains("Some files are missing ownership\n- ruby/app/unowned.rb"))
+        .stdout(predicate::str::contains("Some files are missing ownership\n- ruby/app/models/blockchain.rb\n- ruby/app/unowned.rb"))
+        .stdout(predicate::str::contains("Found invalid team annotations\n- ruby/app/models/blockchain.rb is referencing an invalid team - 'Web3'"))
         .stdout(predicate::str::contains("Code ownership should only be defined for each file in one way. The following files have declared ownership in multiple ways\n- gems/payroll_calculator/calculator.rb (owner: Payments, source: team_file_mapper)\n- gems/payroll_calculator/calculator.rb (owner: Payroll, source: team_gem_mapper)"));
 
     Ok(())