框架本地无法运行，修复尝试

vendor/phpoffice/math/tests/Math/Writer/MathMLTest.php

@@ -80,35 +80,6 @@ class MathMLTest extends WriterTestCase
         $this->assertIsSchemaMathMLValid($output);
     }
 
-    public function testWriteSemantics(): void
-    {
-        $opTimes = new Element\Operator('⁢');
-
-        $math = new Math();
-
-        $semantics = new Element\Semantics();
-        $semantics->add(new Element\Identifier('y'));
-        $semantics->addAnnotation('application/x-tex', ' y ');
-
-        $math->add($semantics);
-
-        $writer = new MathML();
-        $output = $writer->write($math);
-
-        $expected = '<?xml version="1.0" encoding="UTF-8"?>'
-            . PHP_EOL
-            . '<!DOCTYPE math PUBLIC "-//W3C//DTD MathML 2.0//EN" "http://www.w3.org/Math/DTD/mathml2/mathml2.dtd">'
-            . '<math xmlns="http://www.w3.org/1998/Math/MathML">'
-            . '<semantics>'
-            . '<mi>y</mi>'
-            . '<annotation encoding="application/x-tex"> y </annotation>'
-            . '</semantics>'
-            . '</math>'
-            . PHP_EOL;
-        $this->assertEquals($expected, $output);
-        $this->assertIsSchemaMathMLValid($output);
-    }
-
     public function testWriteNotImplemented(): void
     {
         $this->expectException(NotImplementedException::class);