17: Add solutions for section "tests".

Dependencies

• [2] H6XH45OP 0

Change contents

• edit in exercises/tests/tests3.rs at line 6
  [2.90186]→[2.90186:90204](∅→∅)
  −

  − // I AM NOT DONE
• replacement in exercises/tests/tests3.rs at line 17
  [2.90345]→[2.90345:90364](∅→∅)
  − assert!();
  [2.90345]

  [2.90364]
  + assert!(is_even(0));
• replacement in exercises/tests/tests3.rs at line 22
  [2.90412]→[2.90412:90431](∅→∅)
  − assert!();
  [2.90412]

  [2.90431]
  + assert!(!is_even(1));
• edit in exercises/tests/tests2.rs at line 4
  [2.90637]→[2.90637:90655](∅→∅)
  −

  − // I AM NOT DONE
• replacement in exercises/tests/tests2.rs at line 9
  [2.90722]→[2.90722:90744](∅→∅)
  − assert_eq!();
  [2.90722]

  [2.90744]
  + assert_eq!(0, 0);
• edit in exercises/tests/tests1.rs at line 8
  [2.91118]→[2.91118:91136](∅→∅)
  −

  − // I AM NOT DONE
• replacement in exercises/tests/tests1.rs at line 13
  [2.91200]→[2.91200:91219](∅→∅)
  − assert!();
  [2.91200]

  [2.91219]
  + assert!(true);