public function testReplaceWordInLines() { $this->textChains->replaceWordInlines([0, 1], "gilak", "gilak hakim abadi"); $this->data[0] = "hasan gilak hakim abadi"; $this->data[1] = "ali gilak hakim abadi"; $this->assertEquals(implode("\n", $this->data), $this->textChains->getFile()->content()); }