Bump mockito-core from 2.26.0 to 2.27.0 (#4879)

Bumps [mockito-core](https://github.com/mockito/mockito) from 2.26.0 to 2.27.0.
- [Release notes](https://github.com/mockito/mockito/releases)
- [Commits](mockito/mockito@v2.26.0...v2.27.0)

Signed-off-by: dependabot[bot] <support@dependabot.com>

build.gradle

@@ -167,7 +167,7 @@ dependencies {
 
  testRuntime 'org.apache.logging.log4j:log4j-core:2.11.1'
  testRuntime 'org.apache.logging.log4j:log4j-jul:2.11.2'
- testCompile 'org.mockito:mockito-core:2.26.0'
+ testCompile 'org.mockito:mockito-core:2.27.0'
  testCompile 'com.github.tomakehurst:wiremock:2.22.0'
  testCompile 'org.reflections:reflections:0.9.11'
  testCompile 'org.xmlunit:xmlunit-core:2.6.2'