Add tests

testsuite/tests/deSugar/should_run/Or5.hs

testsuite/tests/deSugar/should_run/Or5.stderr

testsuite/tests/deSugar/should_run/Or5.stdout

testsuite/tests/deSugar/should_run/all.T

testsuite/tests/parser/should_fail/Or1.hs

testsuite/tests/parser/should_fail/Or1.stderr

testsuite/tests/parser/should_fail/Or2.hs

testsuite/tests/parser/should_fail/Or2.stderr

testsuite/tests/parser/should_fail/Or3.hs

testsuite/tests/parser/should_fail/Or3.stderr

testsuite/tests/parser/should_fail/all.T

testsuite/tests/rename/should_fail/Or4.hs

testsuite/tests/rename/should_fail/Or4.stderr

testsuite/tests/rename/should_fail/all.T