Add test case for class or function scenario.

Author: mad-briller

Diff for: tests/Rules/PHPUnit/ClassCoversExistsRuleTest.php

@@ -32,6 +32,10 @@ public function testRule(): void
 				'@coversDefaultClass is defined multiple times.',
 				23,
 			],
+			[
+				'@covers value \Not\A\Class references an invalid class or function.',
+				31,
+			],
 		]);
 	}
 

Diff for: tests/Rules/PHPUnit/data/class-coverage.php

@@ -26,6 +26,7 @@ class MultipleCoversDefaultClass extends \PHPUnit\Framework\TestCase
 
 /**
  * @covers \ClassCoverage\testable
+ * @covers \Not\A\Class
  */
 class CoversFunction extends \PHPUnit\Framework\TestCase
 {