test: remove shouldNotStartMigration test-case

Signed-off-by: Hari Darshan Gorana <[email protected]>

Author: haridarshan

test/Github/Tests/Api/User/MigrationTest.php

@@ -53,22 +53,6 @@ public function shouldListUserMigrations()
         $this->assertEquals($expectedArray, $api->list());
     }
 
-    /**
-     * @test
-     */
-    public function shouldNotStartMigration()
-    {
-        $this->expectException(MissingArgumentException::class);
-
-        /** @var Migration|MockObject $api */
-        $api = $this->getApiMock();
-
-        $api->expects($this->never())
-            ->method('post');
-
-        $api->start([]);
-    }
-
     /**
      * @test
      */