diff --git a/external-sop/src/test/java/sop/testsuite/external/operation/ExternalCertifyValidateUserIdTest.java b/external-sop/src/test/java/sop/testsuite/external/operation/ExternalCertifyValidateUserIdTest.java
new file mode 100644
index 0000000..bb319ca
--- /dev/null
+++ b/external-sop/src/test/java/sop/testsuite/external/operation/ExternalCertifyValidateUserIdTest.java
@@ -0,0 +1,13 @@
+// SPDX-FileCopyrightText: 2025 Paul Schaub <vanitasvitae@fsfe.org>
+//
+// SPDX-License-Identifier: Apache-2.0
+
+package sop.testsuite.external.operation;
+
+import org.junit.jupiter.api.condition.EnabledIf;
+import sop.testsuite.operation.CertifyValidateUserIdTest;
+
+@EnabledIf("sop.testsuite.operation.AbstractSOPTest#hasBackends")
+public class ExternalCertifyValidateUserIdTest extends CertifyValidateUserIdTest {
+
+}
diff --git a/external-sop/src/test/java/sop/testsuite/external/operation/ExternalChangeKeyPasswordTest.java b/external-sop/src/test/java/sop/testsuite/external/operation/ExternalChangeKeyPasswordTest.java
new file mode 100644
index 0000000..42a9693
--- /dev/null
+++ b/external-sop/src/test/java/sop/testsuite/external/operation/ExternalChangeKeyPasswordTest.java
@@ -0,0 +1,13 @@
+// SPDX-FileCopyrightText: 2025 Paul Schaub <vanitasvitae@fsfe.org>
+//
+// SPDX-License-Identifier: Apache-2.0
+
+package sop.testsuite.external.operation;
+
+import org.junit.jupiter.api.condition.EnabledIf;
+import sop.testsuite.operation.ChangeKeyPasswordTest;
+
+@EnabledIf("sop.testsuite.operation.AbstractSOPTest#hasBackends")
+public class ExternalChangeKeyPasswordTest extends ChangeKeyPasswordTest {
+
+}
diff --git a/external-sop/src/test/java/sop/testsuite/external/operation/ExternalMergeCertsTest.java b/external-sop/src/test/java/sop/testsuite/external/operation/ExternalMergeCertsTest.java
new file mode 100644
index 0000000..8b22b37
--- /dev/null
+++ b/external-sop/src/test/java/sop/testsuite/external/operation/ExternalMergeCertsTest.java
@@ -0,0 +1,13 @@
+// SPDX-FileCopyrightText: 2025 Paul Schaub <vanitasvitae@fsfe.org>
+//
+// SPDX-License-Identifier: Apache-2.0
+
+package sop.testsuite.external.operation;
+
+import org.junit.jupiter.api.condition.EnabledIf;
+import sop.testsuite.operation.MergeCertsTest;
+
+@EnabledIf("sop.testsuite.operation.AbstractSOPTest#hasBackends")
+public class ExternalMergeCertsTest extends MergeCertsTest {
+
+}