diff --git a/database/migrations/2025_03_02_214711_change_variables_column_from_jsonb_to_text_in_email_requests_table.php b/database/migrations/2025_03_02_214711_change_variables_column_from_jsonb_to_text_in_email_requests_table.php
new file mode 100644
index 00000000..9b5806b7
--- /dev/null
+++ b/database/migrations/2025_03_02_214711_change_variables_column_from_jsonb_to_text_in_email_requests_table.php
@@ -0,0 +1,28 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::table('email_requests', function (Blueprint $table) {
+            $table->text('variables')->nullable()->change();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::table('email_requests', function (Blueprint $table) {
+            $table->jsonb('variables')->nullable()->change();
+        });
+    }
+};
diff --git a/database/seeders/ArticlesTableSeeder.php b/database/seeders/ArticlesTableSeeder.php
index b38e60d5..69f3c9e9 100755
--- a/database/seeders/ArticlesTableSeeder.php
+++ b/database/seeders/ArticlesTableSeeder.php
@@ -2,6 +2,7 @@
 
 namespace Database\Seeders;
 
+use Illuminate\Support\Facades\DB;
 use Illuminate\Database\Seeder;
 use App\Models\User;
 use App\Models\Article;
@@ -11,6 +12,10 @@ class ArticlesTableSeeder extends Seeder
 {
     public function run()
     {
+        //DB::statement('SET FOREIGN_KEY_CHECKS=0;');
+        Article::query()->delete();
+        //DB::statement('SET FOREIGN_KEY_CHECKS=1;');
+
         $users = User::all();
         foreach ($this->articles as $article) {
             Article::create([
diff --git a/database/seeders/BlogSeeder.php b/database/seeders/BlogSeeder.php
index d0d6ba46..7b7df465 100644
--- a/database/seeders/BlogSeeder.php
+++ b/database/seeders/BlogSeeder.php
@@ -12,7 +12,9 @@ class BlogSeeder extends Seeder
 {
     public function run(): void
     {
-        DB::table('blogs')->truncate();
+        //DB::statement('SET FOREIGN_KEY_CHECKS=0;');
+        Blog::query()->delete();
+        //DB::statement('SET FOREIGN_KEY_CHECKS=1;');
 
         $categories = ['Business', 'Food', 'Lifestyle', 'World News'];
         $images = [
diff --git a/database/seeders/CategoriesTableSeeder.php b/database/seeders/CategoriesTableSeeder.php
index 7b886fca..ce3e5d9c 100755
--- a/database/seeders/CategoriesTableSeeder.php
+++ b/database/seeders/CategoriesTableSeeder.php
@@ -4,6 +4,7 @@
 
 use Illuminate\Database\Seeder;
 use App\Models\Category;
+use Illuminate\Support\Facades\DB;
 
 class CategoriesTableSeeder extends Seeder
 {
@@ -15,7 +16,10 @@ class CategoriesTableSeeder extends Seeder
     public function run()
     {
         // Truncate the table to remove existing records
-        Category::truncate();
+        //DB::statement('SET FOREIGN_KEY_CHECKS=0;');
+        Category::query()->delete();
+        //DB::statement('SET FOREIGN_KEY_CHECKS=1;');
+
 
         // Define categories
         $categories = [
diff --git a/tests/Feature/SendEmailRequestsTest.php b/tests/Feature/SendEmailRequestsTest.php
index 7c9d34ff..329f8d0a 100644
--- a/tests/Feature/SendEmailRequestsTest.php
+++ b/tests/Feature/SendEmailRequestsTest.php
@@ -83,35 +83,35 @@ public function test_it_returns_validation_errors_for_invalid_data()
 
     public function test_job_sends_emails()
     {
-    // Create a template
-    $template = EmailTemplate::create([
-        'id' => (string) \Illuminate\Support\Str::uuid(),
-        'title' => 'Welcome Template',
-        'template' => '<p>Hello {{name}},</p><p>Welcome to our service!</p>',
-        'status' => true,
-    ]);
-
-    // Create an email request
-    $request = EmailRequest::create([
-        'id' => (string) \Illuminate\Support\Str::uuid(),
-        'template_id' => $template->id,
-        'subject' => 'Test Subject',
-        'recipient' => 'test@example.com',
-        'variables' => '{"name": "John Doe"}',
-        'status' => 'pending',
-    ]);
-
-    SendEmailRequestsJob::dispatch();
-
-    // Assert the email was sent
-    Mail::assertSent(EmailRequestMailable::class, function (EmailRequestMailable $mail) use ($request) {
-        return $mail->hasTo($request->recipient) &&
-               $mail->subject === $request->subject &&
-               $mail->htmlContent === '<p>Hello John Doe,</p><p>Welcome to our service!</p>'; 
-    });
-
-    $request->refresh();
-    $this->assertEquals('sent', $request->status);
+        // Create a template
+        $template = EmailTemplate::create([
+            'id' => (string) \Illuminate\Support\Str::uuid(),
+            'title' => 'Welcome Template',
+            'template' => '<p>Hello {{name}},</p><p>Welcome to our service!</p>',
+            'status' => true,
+        ]);
+
+        // Create an email request
+        $request = EmailRequest::create([
+            'id' => (string) \Illuminate\Support\Str::uuid(),
+            'template_id' => $template->id,
+            'subject' => 'Test Subject',
+            'recipient' => 'test@example.com',
+            'variables' => '{"name": "John Doe"}',
+            'status' => 'pending',
+        ]);
+
+        SendEmailRequestsJob::dispatch();
+
+        // Assert the email was sent
+        Mail::assertSent(EmailRequestMailable::class, function (EmailRequestMailable $mail) use ($request) {
+            return $mail->hasTo($request->recipient) &&
+                $mail->subject === $request->subject &&
+                $mail->htmlContent === '<p>Hello John Doe,</p><p>Welcome to our service!</p>'; 
+        });
+
+        $request->refresh();
+        $this->assertEquals('sent', $request->status);
     }
 
     public function test_job_logs_error_when_email_sending_fails()
diff --git a/tests/Feature/UserDashboardTest.php b/tests/Feature/UserDashboardTest.php
index 686aaed8..8ea99303 100644
--- a/tests/Feature/UserDashboardTest.php
+++ b/tests/Feature/UserDashboardTest.php
@@ -85,13 +85,13 @@ public function test_accurate_data_is_returned_for_graph_usage()
                 'status_code' => 200,
                 'data' => [
                     'Jan' => 0,
-                    'Feb' => 0,
-                    'Mar' => 0,
+                    'Feb' => 2000.00,
+                    'Mar' => 3000.00,
                     'Apr' => 0,
                     'May' => 0,
                     'Jun' => 0,
-                    'Jul' => 2000.00,
-                    'Aug' => 3000.00,
+                    'Jul' => 0,
+                    'Aug' => 0,
                     'Sep' => 0,
                     'Oct' => 0,
                     'Nov' => 0,