Replace runTestCase with assert helpers [test/built-ins/Array/prototype/reduceRight]

test/built-ins/Array/prototype/reduceRight/15.4.4.22-0-1.js

test/built-ins/Array/prototype/reduceRight/15.4.4.22-0-2.js

test/built-ins/Array/prototype/reduceRight/15.4.4.22-1-11.js

test/built-ins/Array/prototype/reduceRight/15.4.4.22-1-12.js

test/built-ins/Array/prototype/reduceRight/15.4.4.22-1-14.js

test/built-ins/Array/prototype/reduceRight/15.4.4.22-1-15.js

test/built-ins/Array/prototype/reduceRight/15.4.4.22-1-4.js

test/built-ins/Array/prototype/reduceRight/15.4.4.22-1-6.js

test/built-ins/Array/prototype/reduceRight/15.4.4.22-1-7.js

test/built-ins/Array/prototype/reduceRight/15.4.4.22-1-8.js

test/built-ins/Array/prototype/reduceRight/15.4.4.22-1-9.js

test/built-ins/Array/prototype/reduceRight/15.4.4.22-10-1.js

test/built-ins/Array/prototype/reduceRight/15.4.4.22-10-2.js

test/built-ins/Array/prototype/reduceRight/15.4.4.22-10-3.js

test/built-ins/Array/prototype/reduceRight/15.4.4.22-10-4.js

test/built-ins/Array/prototype/reduceRight/15.4.4.22-10-5.js

test/built-ins/Array/prototype/reduceRight/15.4.4.22-10-6.js

test/built-ins/Array/prototype/reduceRight/15.4.4.22-10-7.js

test/built-ins/Array/prototype/reduceRight/15.4.4.22-10-8.js

test/built-ins/Array/prototype/reduceRight/15.4.4.22-2-1.js