in src/main/java/org/apache/maven/plugin/compiler/TestCompilerMojo.java [262:273]
public Options parseParameters(final OptionChecker compiler) {
Options configuration = super.parseParameters(compiler);
configuration.addUnchecked(
testCompilerArgs == null || testCompilerArgs.isEmpty() ? compilerArgs : testCompilerArgs);
if (testCompilerArguments != null) {
for (Map.Entry<String, String> entry : testCompilerArguments.entrySet()) {
configuration.addUnchecked(List.of(entry.getKey(), entry.getValue()));
}
}
configuration.addUnchecked(testCompilerArgument == null ? compilerArgument : testCompilerArgument);
return configuration;
}