Remove property

Author: 7agustibm

src/test/java/com/google/firebase/auth/multitenancy/FirebaseTenantClientTest.java

@@ -328,6 +328,7 @@ public void testGetTenantEmulator() throws Exception {
             TestUtils.loadResource("tenant.json"));
 
     Tenant tenant = FirebaseAuth.getInstance().getTenantManager().getTenant("TENANT_1");
+    System.setProperty("FIREBASE_AUTH_EMULATOR_HOST", null);
 
     checkTenant(tenant, "TENANT_1");
     checkRequestHeaders(interceptor);