Fix yaml consistency

...ins/Number/string-numeric-separator-literal-dds-nsl-dd.js

test/built-ins/Object/assign/ObjectOverride-sameproperty.js

test/built-ins/Object/assign/OnlyOneArgument.js

test/built-ins/Object/assign/Override-notstringtarget.js

test/built-ins/Object/assign/Source-Number-Boolen-Symbol.js

test/built-ins/Object/assign/Target-Boolean.js

test/built-ins/Object/assign/Target-Null.js

test/built-ins/Object/assign/Target-Number.js

test/built-ins/Object/assign/Target-Object.js

test/built-ins/Object/assign/Target-String.js

test/built-ins/Object/assign/Target-Symbol.js

test/built-ins/Object/assign/Target-Undefined.js

.../built-ins/RegExp/named-groups/string-replace-unclosed.js

...lt-ins/RegExp/prototype/exec/failure-g-lastindex-reset.js