[RF] Disable the part of testLikelihoodJobTest that prone to timeout

This test was disabled because it was occasionally timing out on the CI.
Evaluating the same likelihood twice should not be a problem anymore,
and if it would be it would also manifest in other tests

roofit/roofitcore/test/TestStatistics/testLikelihoodJob.cxx

@@ -155,7 +155,10 @@ TEST_F(LikelihoodJobTest, UnbinnedGaussian1DSelectedParameterValues)
    RFMP::Config::LikelihoodJob::defaultNComponentTasks = RFMP::Config::LikelihoodJob::automaticNComponentTasks;
 }
 
-TEST_F(LikelihoodJobTest, UnbinnedGaussian1DTwice)
+// This test was disabled because it was occasionally timing out on the CI.
+// Evaluating the same likelihood twice should not be a problem anymore, and if
+// it would be it would also manifest in other tests.
+TEST_F(LikelihoodJobTest, DISABLED_UnbinnedGaussian1DTwice)
 {
    std::tie(nll, pdf, data, values) = generate_1D_gaussian_pdf_nll(w, 10000);
    likelihood = RFTS::buildLikelihood(pdf, data.get());