MFTF-33582: Fixing verification test

Author: bohdan-harniuk

dev/tests/verification/Tests/SchemaValidationTest.php

@@ -19,9 +19,14 @@ class SchemaValidationTest extends MftfTestCase
      */
     public function testInvalidTestSchema()
     {
+        $mockConfig = $this->createMock(MftfApplicationConfig::class);
         $property = new ReflectionProperty(MftfApplicationConfig::class, 'debugLevel');
         $property->setAccessible(true);
-        $property->setValue(MftfApplicationConfig::LEVEL_DEVELOPER);
+        $property->setValue($mockConfig, MftfApplicationConfig::LEVEL_DEVELOPER);
+
+        $property = new ReflectionProperty(MftfApplicationConfig::class, 'MFTF_APPLICATION_CONTEXT');
+        $property->setAccessible(true);
+        $property->setValue($mockConfig);
 
         $testFile = ['testFile.xml' => "<tests><test name='testName'><annotations>a</annotations></test></tests>"];
         $expectedError = TESTS_MODULE_PATH .
@@ -42,5 +47,9 @@ protected function tearDown(): void
         $property = new ReflectionProperty(MftfApplicationConfig::class, 'debugLevel');
         $property->setAccessible(true);
         $property->setValue(null);
+
+        $property = new ReflectionProperty(MftfApplicationConfig::class, 'MFTF_APPLICATION_CONTEXT');
+        $property->setAccessible(true);
+        $property->setValue(null);
     }
 }