Add comments to tests

Author: dona-shehu

Sprint-3/1-implement-and-rewrite-tests/implement/2-is-proper-fraction.js

@@ -37,16 +37,23 @@ function assertEquals(actualOutput, targetOutput) {
 // Example: 1/2 is a proper fraction
 assertEquals(isProperFraction(1, 2), true);
 
+// Example: numerator is 0 is a proper fraction
 assertEquals(isProperFraction(0, 2), false);
 
+// Example: numerator is equal to denominators is a proper fraction
 assertEquals(isProperFraction(2, 2), false);
 
+// Example: denominator is 0 is a proper fraction
 assertEquals(isProperFraction(5, 0), false);
 
+// Example: numerator is negative is a proper fraction
 assertEquals(isProperFraction(-1, 2), false);
 
+// Example: denominator is negative is a proper fraction
 assertEquals(isProperFraction(4, -3), false);
 
+// Example: numerator and denominator are both negative values is a proper fraction
 assertEquals(isProperFraction(-5, -6), true);
 
+// Example: negative numerator with smaller value then negative dominator is a proper fraction
 assertEquals(isProperFraction(-6, -5), false);