Remove object cast sum tests

Author: rtheunissen

tests/Map/sum.php

@@ -35,15 +35,4 @@ public function testSum($values, $expected)
         $instance = $this->getInstance($values);
         $this->assertEquals($expected, $instance->sum());
     }
-
-    public function testSumObjectCasting()
-    {
-        if ( ! extension_loaded('gmp')) {
-            $this->markTestSkipped("GMP extension is not installed");
-            return;
-        }
-
-        $instance = $this->getInstance([1, 2, gmp_init(42)]);
-        $this->assertEquals(45, $instance->sum());
-    }
 }

tests/Sequence/sum.php

@@ -35,22 +35,4 @@ public function testSum($values, $expected)
         $instance = $this->getInstance($values);
         $this->assertEquals($expected, $instance->sum());
     }
-
-    public function testSumObjectCasting()
-    {
-        $this->markTestIncomplete(<<<TEXT
-Polyfill implementation is unable to convert gmp_init(42) to 42.
-Ext's ADD_TO_SUM https://github.com/php-ds/ext-ds/blob/2ddef84d3e9391c37599cb716592184315e23921/src/common.h#L87 is similar to PHP_FUNCTION(array_sum) https://github.com/php/php-src/blob/34f727e63716dfb798865289c079b017812ad03b/ext/standard/array.c#L5868 that is called within polyfill.
-Both call convert_scalar_to_number().
-TEXT
-);
-
-        if ( ! extension_loaded('gmp')) {
-            $this->markTestSkipped("GMP extension is not installed");
-            return;
-        }
-
-        $instance = $this->getInstance([1, 2, gmp_init(42)]);
-        $this->assertEquals(45, $instance->sum());
-    }
 }

tests/Set/sum.php

@@ -35,15 +35,4 @@ public function testSum($values, $expected)
         $instance = $this->getInstance($values);
         $this->assertEquals($expected, $instance->sum());
     }
-
-    public function testSumObjectCasting()
-    {
-        if ( ! extension_loaded('gmp')) {
-            $this->markTestSkipped("GMP extension is not installed");
-            return;
-        }
-
-        $instance = $this->getInstance([1, 2, gmp_init(42)]);
-        $this->assertEquals(45, $instance->sum());
-    }
 }