Fix other failing tests

Author: SOHELAHMED7

tests/specs/issue_fix/159_bug_giiapi_generated_rules_emailid/maria/models/base/Mailing.php

@@ -26,4 +26,9 @@ public function rules()
             'paymentMethodName_string' => [['paymentMethodName'], 'string'],
         ];
     }
+
+    public function getContact()
+    {
+        return $this->hasOne(\app\models\Contact::class, ['mailing_id' => 'id'])->inverseOf('mailing');
+    }
 }

tests/specs/issue_fix/162_bug_dollarref_with_x_faker/app/models/base/Invoice.php

@@ -19,4 +19,9 @@ public function rules()
     {
         return [];
     }
+
+    public function getOrder()
+    {
+        return $this->hasOne(\app\models\Order::class, ['invoice_id' => 'id'])->inverseOf('invoice');
+    }
 }

tests/specs/issue_fix/175_bug_allof_with_multiple_dollarrefs/pgsql/models/base/Account.php

@@ -26,4 +26,9 @@ public function rules()
             'paymentMethodName_string' => [['paymentMethodName'], 'string'],
         ];
     }
+
+    public function getContact()
+    {
+        return $this->hasOne(\app\models\Contact::class, ['account_id' => 'id'])->inverseOf('account');
+    }
 }

tests/specs/issue_fix/model_name_more_than_once_in_faker_148/app/models/base/Account.php

@@ -24,4 +24,19 @@ public function rules()
             'name_string' => [['name'], 'string', 'max' => 40],
         ];
     }
+
+    public function getE123()
+    {
+        return $this->hasOne(\app\models\E123::class, ['account_id' => 'id'])->inverseOf('account');
+    }
+
+    public function getE1232()
+    {
+        return $this->hasOne(\app\models\E123::class, ['account_2_id' => 'id'])->inverseOf('account_2');
+    }
+
+    public function getE1233()
+    {
+        return $this->hasOne(\app\models\E123::class, ['account_3_id' => 'id'])->inverseOf('account_3');
+    }
 }