Crossword clues for Tests of knowledge 5 lettersAnswerClueEXAMSTests of knowledgeORALSTough tests of knowledgeTRUISMSTested knowledgeCABOperating one in London requires one to pass an insane series of tests called "The Knowledge"CABSLondoners must pass a rigorous test called The Knowledge to operate them legallyAMSTELEXAMSTests of one's knowledge of Dutch beer?