make field in china bank slips nullable

database/migrations/2018_08_02_141753_make_nullable_in_china_bank_slips_table.php

@@ -0,0 +1,43 @@
+<?php
+
+use Illuminate\Support\Facades\Schema;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Migrations\Migration;
+
+class MakeNullableInChinaBankSlipsTable extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::table('china_bank_slips', function (Blueprint $table) {
+            $table->string('company_name')->nullable()->change();
+            $table->string('bank_name')->nullable()->change();
+            $table->string('acc_no')->nullable()->change();
+            $table->string('bank_address')->nullable()->change();
+            $table->string('swift')->nullable()->change();
+            $table->string('cnap')->nullable()->change();
+            $table->string('bank_branch')->nullable()->change();
+            $table->string('order_id')->nullable()->change();
+            $table->decimal('transfer_amount_needed')->nullable()->change();
+            $table->decimal('actual_transfer_amount')->nullable()->change();
+            $table->string('date')->nullable()->change();
+            $table->string('details')->nullable()->change();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::table('china_bank_slips', function (Blueprint $table) {
+            //
+        });
+    }
+}

tests/Feature/ChinaBankSlipTest.php

@@ -56,7 +56,6 @@ class ChinaBankSlipTest extends TestCase
 			'details' => "123123",
 			'date' => "123123"
 		]);
-
 		if(!file_exists($china_bank_slips_path) || $size_in_kb > 3072){
 		    $response->assertStatus(400);    
 		}