Fix comments

Author: kousen

build.gradle

@@ -7,7 +7,7 @@ allprojects {
 
     // sourceCompatibility = 11
 
-    ext.junitVersion = '5.6.2'
+    ext.junitVersion = '5.7.0'
 
     repositories {
         jcenter()
@@ -32,6 +32,6 @@ test {
 dependencies {
     // Contains URL and ISBN validators
     implementation 'commons-validator:commons-validator:1.6'
-    testImplementation 'org.mockito:mockito-junit-jupiter:3.3.0'
+    testImplementation 'org.mockito:mockito-junit-jupiter:3.5.10'
 }
 

src/test/java/com/oreilly/ParameterizedTests.java

@@ -73,7 +73,7 @@ void checkPrimesLessThan100(int arg) {
     // Factory method for the @MethodSource
     //  no arguments
     //  static method (factory method)
-    //  returns Stream, Array, Iterable
+    //  returns Stream, Array, Iterable, Iterator
     private static IntStream primesLessThan100() {
         return IntStream.rangeClosed(2, 100)
                 .filter(UtilityMethods::isPrime);