Bump org.mockito:mockito-core from 5.20.0 to 5.21.0 (#67)

* Bump org.mockito:mockito-core from 5.20.0 to 5.21.0

Bumps [org.mockito:mockito-core](https://github.com/mockito/mockito) from 5.20.0 to 5.21.0.
- [Release notes](https://github.com/mockito/mockito/releases)
- [Commits](mockito/mockito@v5.20.0...v5.21.0)

---
updated-dependencies:
- dependency-name: org.mockito:mockito-core
  dependency-version: 5.21.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

* Update delay register test to reduce complexity.

---------

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Craig Thomas <[email protected]>

Author: dependabot[bot]

build.gradle

@@ -29,7 +29,7 @@ repositories {
 dependencies {
     implementation 'com.beust:jcommander:1.82'
     implementation 'commons-io:commons-io:2.21.0'
-    testImplementation 'org.mockito:mockito-core:5.20.0'
+    testImplementation 'org.mockito:mockito-core:5.21.0'
     testImplementation 'junit:junit:4.13.2'
 }
 

src/test/java/ca/craigthomas/chip8java/emulator/components/CentralProcessingUnitTest.java

@@ -586,15 +586,13 @@ public void testMoveDelayTimerIntoRegister() {
 
     @Test
     public void testMoveRegisterIntoDelayRegister() {
-        for (int register = 0; register < 0xF; register++) {
-            for (int value = 0; value < 0xFF; value += 10) {
-                cpu.v[register] = (short) value;
-                cpu.operand = register << 8;
-                cpu.delay = 0;
-                cpu.moveRegisterIntoDelayRegister();
-                assertEquals(value, cpu.delay);
-            }
-        }
+        int register = 8;
+        short value = 10;
+        cpu.v[register] = value;
+        cpu.operand = register << 8;
+        cpu.delay = 0;
+        cpu.moveRegisterIntoDelayRegister();
+        assertEquals(value, cpu.delay);
     }
 
     @Test