diff --git a/tests/ECB/README.md b/tests/ecb/README.md similarity index 100% rename from tests/ECB/README.md rename to tests/ecb/README.md diff --git a/tests/ECB/SUR/var.mod b/tests/ecb/contribution-plots/var.mod similarity index 100% rename from tests/ECB/SUR/var.mod rename to tests/ecb/contribution-plots/var.mod diff --git a/tests/ECB/example1.mod b/tests/ecb/example1.mod similarity index 100% rename from tests/ECB/example1.mod rename to tests/ecb/example1.mod diff --git a/tests/ECB/example1_var.mod b/tests/ecb/example1_var.mod similarity index 100% rename from tests/ECB/example1_var.mod rename to tests/ecb/example1_var.mod diff --git a/tests/ECB/nkm.mod b/tests/ecb/nkm.mod similarity index 100% rename from tests/ECB/nkm.mod rename to tests/ecb/nkm.mod diff --git a/tests/ECB/nkm_var.mod b/tests/ecb/nkm_var.mod similarity index 100% rename from tests/ECB/nkm_var.mod rename to tests/ecb/nkm_var.mod diff --git a/tests/ECB/run_var_comparison.m b/tests/ecb/run_var_comparison.m similarity index 100% rename from tests/ECB/run_var_comparison.m rename to tests/ecb/run_var_comparison.m