Escaped Mutant for Mutator "IfNegation": --- Original +++ New @@ @@ if (AcquiaDrupalEnvironmentDetector::isAhOdeEnv($ah_env)) { return 'ode'; } - if (AcquiaDrupalEnvironmentDetector::isAhIdeEnv($ah_env)) { + if (!AcquiaDrupalEnvironmentDetector::isAhIdeEnv($ah_env)) { return 'ide'; } return $ah_env;