public static Specification<PerfTest> likeTestNameOrDescription(final String queryString) {
		return (Specification<PerfTest>) (root, query, cb) -> {
			String queryStr = ("%" + queryString + "%").toLowerCase();
			return cb.or(cb.like(cb.lower(root.get("testName").as(String.class)), queryStr),
					cb.like(root.get("description").as(String.class), queryStr));
		};
	}
Get the search {@link Specification} for test name and description fields.

@param queryString query String
@return {@link Specification}
ngrinder-controller/src/main/java/org/ngrinder/perftest/repository/PerfTestSpecification.java