Parse test: Refine precedence tests for &&.
Parse test: Refine precedence tests for ||.
Parse test: Refine precedence tests for :=.
Parse test: Refine associativity tests for multiplicative operators.
Parse test: Split associativity tests for boolean operators.
Parse test: Move associativity tests for semicolon.
Parse test: Move associativity tests for if-then-else.
Parse test: Refine precedence tests for if-then-else.
Parse test: Refine precedence tests for semicolon.
Parse test: Refine precedence tests for let-in.