public function testDropCol() { $existingSchema1 = $this->_backend->getExistingSchema($this->_table->name); $testCol = $existingSchema1->fields[1]; $this->_backend->dropCol($this->_table->name, $testCol->name); $existingSchema2 = $this->_backend->getExistingSchema($this->_table->name); $this->assertEquals(count($existingSchema1->fields), count($existingSchema2->fields) + 1); }