fix dependency issue

composer.json

@@ -44,7 +44,7 @@
     "fzaninotto/faker": "~1.9",
     "laravel/browser-kit-testing": "^6.0",
     "laravel/tinker": "^2.2",
-    "mockery/mockery": "^1.3",
+    "mockery/mockery": "1.3.*",
     "phpdocumentor/reflection-docblock": "^5.1",
     "phpunit/phpunit": "^8.5",
     "symfony/css-selector": "^5.0",

composer.lock

@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "d1615cec2f58f3b4eb54ac477e348b42",
+    "content-hash": "69f751f6f450fda951eb714d895e7981",
     "packages": [
         {
             "name": "blessing/filter",
@@ -7103,33 +7103,30 @@
         },
         {
             "name": "mockery/mockery",
-            "version": "1.4.0",
+            "version": "1.3.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/mockery/mockery.git",
-                "reference": "6c6a7c533469873deacf998237e7649fc6b36223"
+                "reference": "f69bbde7d7a75d6b2862d9ca8fab1cd28014b4be"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/mockery/mockery/zipball/6c6a7c533469873deacf998237e7649fc6b36223",
-                "reference": "6c6a7c533469873deacf998237e7649fc6b36223",
+                "url": "https://api.github.com/repos/mockery/mockery/zipball/f69bbde7d7a75d6b2862d9ca8fab1cd28014b4be",
+                "reference": "f69bbde7d7a75d6b2862d9ca8fab1cd28014b4be",
                 "shasum": ""
             },
             "require": {
                 "hamcrest/hamcrest-php": "~2.0",
                 "lib-pcre": ">=7.0",
-                "php": "^7.3.0"
-            },
-            "conflict": {
-                "phpunit/phpunit": "<8.0"
+                "php": ">=5.6.0"
             },
             "require-dev": {
-                "phpunit/phpunit": "^8.0.0 || ^9.0.0"
+                "phpunit/phpunit": "~5.7.10|~6.5|~7.0|~8.0"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.4.x-dev"
+                    "dev-master": "1.3.x-dev"
                 }
             },
             "autoload": {
@@ -7167,7 +7164,7 @@
                 "test double",
                 "testing"
             ],
-            "time": "2020-05-19T14:25:16+00:00"
+            "time": "2019-12-26T09:49:15+00:00"
         },
         {
             "name": "myclabs/deep-copy",