hypsrc-test: Accept test output

hypsrc-test/ref/src/Classes.html

hypsrc-test/ref/src/Constructors.html

hypsrc-test/ref/src/Identifiers.html

hypsrc-test/ref/src/Literals.html

hypsrc-test/ref/src/Operators.html

hypsrc-test/ref/src/Polymorphism.html

hypsrc-test/ref/src/Records.html

hypsrc-test/ref/src/Types.html

hypsrc-test/src/Polymorphism.hs