ignore false positive test failure for PHP <8

Author: kkmuffme

tests/Sniffs/TypeHints/DNFTypeHintFormatSniffTest.php

@@ -305,9 +305,14 @@ public function testNullPositionFirstErrors(): void
 			'nullPosition' => 'first',
 		], [DNFTypeHintFormatSniff::CODE_NULL_TYPE_HINT_NOT_ON_FIRST_POSITION]);
 
-		self::assertSame(3, $report->getErrorCount());
+		if (PHP_VERSION_ID >= 80000) {
+			self::assertSame(3, $report->getErrorCount());
+
+			self::assertSniffError($report, 6, DNFTypeHintFormatSniff::CODE_NULL_TYPE_HINT_NOT_ON_FIRST_POSITION);
+		} else {
+			self::assertSame(2, $report->getErrorCount());
+		}
 
-		self::assertSniffError($report, 6, DNFTypeHintFormatSniff::CODE_NULL_TYPE_HINT_NOT_ON_FIRST_POSITION);
 		self::assertSniffError(
 			$report,
 			8,
@@ -321,7 +326,10 @@ public function testNullPositionFirstErrors(): void
 			'Null type hint should be on first position in "string|null|\Anything".',
 		);
 
-		self::assertAllFixedInFile($report);
+		// in PHP < 8 it would be changed to short nullable, which is not tested in this test
+		if (PHP_VERSION_ID >= 80000) {
+			self::assertAllFixedInFile($report);
+		}
 	}
 
 	public function testNullPositionLastNoErrors(): void
@@ -361,7 +369,10 @@ public function testNullPositionLastErrors(): void
 			'Null type hint should be on last position in "string|null|\Anything".',
 		);
 
-		self::assertAllFixedInFile($report);
+		// in PHP < 8 it would be changed to short nullable, which is not tested in this test
+		if (PHP_VERSION_ID >= 80000) {
+			self::assertAllFixedInFile($report);
+		}
 	}
 
 	public function testShouldNotReportIfSniffIsDisabled(): void