public function testGetPerFileSchema()
 {
     $this->urnResolverMock->expects($this->once())->method('getRealPath')->with('urn:magento:framework:Search/etc/search_request.xsd')->willReturn($this->urnResolver->getRealPath('urn:magento:framework:Search/etc/search_request.xsd'));
     $this->assertEquals($this->urnResolver->getRealPath('urn:magento:framework:Search/etc/search_request.xsd'), $this->schemaLocator->getPerFileSchema());
 }
 public function testGetPerFileSchema()
 {
     $this->assertEquals(null, $this->schemaLocator->getPerFileSchema());
 }