Add testing.

.gitignore

@@ -1 +1,3 @@
-vendor/*
+vendor/
+tests/report/
+.phpunit.result.cache

composer.json

@@ -16,19 +16,38 @@
         "illuminate/support": "~5.8|^6.0|^7.0|^8.0",
         "illuminate/database": "~5.8|^6.0|^7.0|^8.0",
         "illuminate/http": "~5.8|^6.0|^7.0|^8.0",
-        "illuminate/console": "~5.8|^6.0|^7.0|^8.0",
-        "laravel/helpers": "~1.1"
+        "illuminate/console": "~5.8|^6.0|^7.0|^8.0"
     },
     "autoload": {
         "psr-4": {
             "Aldemeery\\Sieve\\": "src/"
         }
     },
+    "autoload-dev": {
+        "psr-4": {
+            "Aldemeery\\Sieve\\Tests\\": "tests/"
+        }
+    },
     "extra": {
         "laravel": {
             "providers": [
                 "Aldemeery\\Sieve\\FiltersServiceProvider"
             ]
         }
+    },
+    "require-dev": {
+        "php": ">=7.3",
+        "phpunit/phpunit": "^9.0",
+        "illuminate/support": "^7.0",
+        "illuminate/http": "^7.0",
+        "illuminate/database": "^7.0"
+    },
+    "scripts": {
+        "test": [
+            "phpunit --colors=always --no-coverage"
+        ],
+        "coverage": [
+            "phpunit --colors=always"
+        ]
     }
 }