Api tests (#5096)

* Use the formated date helper to clean up verifications.

* Add Checkin/Checkout api tests.

* Accessories api test

* Add Companies API Test.

* Return ModelNotFound as a 404.

* Cleanups/simplficiations/updates.

* Locations api test.

* currency and image should be fillable on location.

* Update components api test.

* Use findOrFail so we return a 404 instead of a 200.  Matches other item types.

* order_number should be fillable in component.

* Add updated_at and permissions to information returned from api for a user.

* Add users test and flesh out factory and fillable fields.

* Add test for assets method

* API status label test.

* Disable php7.2 for now on travis until the count(null) issues are remedied

* Add serial to update.

* API model not found should return a 200

app/Models/Location.php

@@ -45,7 +45,19 @@ class Location extends SnipeModel
      *
      * @var array
      */
-    protected $fillable = ['name','parent_id','address','address2','city','state', 'country','zip','ldap_ou'];
+    protected $fillable = [
+        'name',
+        'parent_id',
+        'address',
+        'address2',
+        'city',
+        'state',
+        'country',
+        'zip',
+        'ldap_ou',
+        'currency',
+        'image',
+    ];
     protected $hidden = ['user_id'];
 
     public function users()