Commit 75f437c

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fix test add check for tail value (#148)

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2-0-data-structures-and-algorithms/2-2-4-linked-list/src/test/java/com/bobocode/cs
- LinkedListTest.java

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Original file line number	Diff line number	Diff line change
`@@ -407,10 +407,13 @@ void removeLast() {`
`407`	`407`	`int deletedElement = intList.remove(getInternalSize() - 1);`
`408`	`408`
`409`	`409`	`int newLastElement = getInternalElement(getInternalSize() - 1);`
	`410`	`+ int tailElement = (int) getNodeValue(TAIL_NODE_FIELD);`
	`411`	`+`
`410`	`412`	`int size = getInternalSize();`
`411`	`413`
`412`	`414`	`assertThat(deletedElement).isEqualTo(9);`
`413`	`415`	`assertThat(newLastElement).isEqualTo(8);`
	`416`	`+ assertThat(tailElement).isEqualTo(8);`
`414`	`417`	`assertThat(size).isEqualTo(3);`
`415`	`418`	`}`
`416`	`419`
`@@ -600,4 +603,12 @@ private Field getAccessibleFieldByPredicate(Object object, Predicate<Field> pred`
`600`	`603`	`field.setAccessible(true);`
`601`	`604`	`return field;`
`602`	`605`	`}`
	`606`	`+`
	`607`	`+ @SneakyThrows`
	`608`	`+ private Object getNodeValue(Predicate<Field> predicate) {`
	`609`	`+ Object field = getAccessibleFieldByPredicate(intList, predicate).get(intList);`
	`610`	`+ final Field value = getAccessibleFieldByPredicate(field, ELEMENT_FIELD);`
	`611`	`+ value.setAccessible(true);`
	`612`	`+ return value.get(field);`
	`613`	`+ }`
`603`	`614`	`}`

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