ReturnTypeHintSniff: More tests

Author: kukulich

tests/Sniffs/TypeHints/ReturnTypeHintSniffTest.php

@@ -104,7 +104,7 @@ public function testWithUnionErrors(): void
 			'traversableTypeHints' => ['Traversable', '\ArrayIterator'],
 		]);
 
-		self::assertSame(15, $report->getErrorCount());
+		self::assertSame(16, $report->getErrorCount());
 
 		self::assertSniffError($report, 7, ReturnTypeHintSniff::CODE_MISSING_NATIVE_TYPE_HINT);
 		self::assertSniffError($report, 11, ReturnTypeHintSniff::CODE_MISSING_NATIVE_TYPE_HINT);
@@ -122,6 +122,7 @@ public function testWithUnionErrors(): void
 		self::assertSniffError($report, 55, ReturnTypeHintSniff::CODE_MISSING_NATIVE_TYPE_HINT);
 		self::assertSniffError($report, 59, ReturnTypeHintSniff::CODE_MISSING_NATIVE_TYPE_HINT);
 		self::assertSniffError($report, 63, ReturnTypeHintSniff::CODE_MISSING_NATIVE_TYPE_HINT);
+		self::assertSniffError($report, 67, ReturnTypeHintSniff::CODE_MISSING_NATIVE_TYPE_HINT);
 
 		self::assertAllFixedInFile($report);
 	}

tests/Sniffs/TypeHints/data/returnTypeHintWithUnionErrors.fixed.php

@@ -63,4 +63,8 @@ private function scalarAndnumericNullable(): string|int|float|bool|null
 	private function objectAndVoid(): object|null
 	{}
 
+	/***/
+	private function mixedAndVoid(): mixed
+	{}
+
 }

tests/Sniffs/TypeHints/data/returnTypeHintWithUnionErrors.php

@@ -63,4 +63,8 @@ private function scalarAndnumericNullable()
 	private function objectAndVoid()
 	{}
 
+	/** @return mixed|void */
+	private function mixedAndVoid()
+	{}
+
 }