ACP2E-2070: Wrong X-Magento-Vary after logging-in to the customer account

Author: o-iegorov

app/code/Magento/Customer/Test/Unit/Model/App/Action/ContextPluginTest.php

@@ -66,6 +66,10 @@ public function testBeforeExecute()
             ->willReturn(true);
         $this->httpContextMock->expects($this->atLeastOnce())
             ->method('setValue')
+            ->withConsecutive(
+                    [Context::CONTEXT_GROUP, self::callback(fn($value): bool => $value === '1'), 0],
+                    [Context::CONTEXT_AUTH, true, self::STUB_CUSTOMER_NOT_LOGGED_IN]
+            )
             ->willReturnMap(
                 [
                     [Context::CONTEXT_GROUP, self::STUB_CUSTOMER_GROUP, $this->httpContextMock],