diff --git a/tests/domaincapsdata/qemu_2.11.0-q35.x86_64.xml b/tests/domaincapsdata/qemu_2.11.0-q35.x86_64.xml
index 79d14234fe..ea9737d9ce 100644
--- a/tests/domaincapsdata/qemu_2.11.0-q35.x86_64.xml
+++ b/tests/domaincapsdata/qemu_2.11.0-q35.x86_64.xml
@@ -176,6 +176,7 @@
       </enum>
       <enum name='backendModel'>
         <value>passthrough</value>
+        <value>emulator</value>
       </enum>
     </tpm>
   </devices>
diff --git a/tests/domaincapsdata/qemu_2.11.0-tcg.x86_64.xml b/tests/domaincapsdata/qemu_2.11.0-tcg.x86_64.xml
index fc71f9cc7c..cccc6830f9 100644
--- a/tests/domaincapsdata/qemu_2.11.0-tcg.x86_64.xml
+++ b/tests/domaincapsdata/qemu_2.11.0-tcg.x86_64.xml
@@ -189,6 +189,7 @@
       </enum>
       <enum name='backendModel'>
         <value>passthrough</value>
+        <value>emulator</value>
       </enum>
     </tpm>
   </devices>
diff --git a/tests/domaincapsdata/qemu_2.11.0.x86_64.xml b/tests/domaincapsdata/qemu_2.11.0.x86_64.xml
index 44d57900e2..3a8aa2ab71 100644
--- a/tests/domaincapsdata/qemu_2.11.0.x86_64.xml
+++ b/tests/domaincapsdata/qemu_2.11.0.x86_64.xml
@@ -176,6 +176,7 @@
       </enum>
       <enum name='backendModel'>
         <value>passthrough</value>
+        <value>emulator</value>
       </enum>
     </tpm>
   </devices>
diff --git a/tests/domaincapsdata/qemu_2.12.0-q35.x86_64.xml b/tests/domaincapsdata/qemu_2.12.0-q35.x86_64.xml
index e9082540b7..9f41dfaf2b 100644
--- a/tests/domaincapsdata/qemu_2.12.0-q35.x86_64.xml
+++ b/tests/domaincapsdata/qemu_2.12.0-q35.x86_64.xml
@@ -192,6 +192,7 @@
       </enum>
       <enum name='backendModel'>
         <value>passthrough</value>
+        <value>emulator</value>
       </enum>
     </tpm>
   </devices>
diff --git a/tests/domaincapsdata/qemu_2.12.0-tcg.x86_64.xml b/tests/domaincapsdata/qemu_2.12.0-tcg.x86_64.xml
index 1c91661942..d5f9d8ebe3 100644
--- a/tests/domaincapsdata/qemu_2.12.0-tcg.x86_64.xml
+++ b/tests/domaincapsdata/qemu_2.12.0-tcg.x86_64.xml
@@ -202,6 +202,7 @@
       </enum>
       <enum name='backendModel'>
         <value>passthrough</value>
+        <value>emulator</value>
       </enum>
     </tpm>
   </devices>
diff --git a/tests/domaincapsdata/qemu_2.12.0.x86_64.xml b/tests/domaincapsdata/qemu_2.12.0.x86_64.xml
index 2e5e63308d..dc2c3ec4dd 100644
--- a/tests/domaincapsdata/qemu_2.12.0.x86_64.xml
+++ b/tests/domaincapsdata/qemu_2.12.0.x86_64.xml
@@ -192,6 +192,7 @@
       </enum>
       <enum name='backendModel'>
         <value>passthrough</value>
+        <value>emulator</value>
       </enum>
     </tpm>
   </devices>
diff --git a/tests/domaincapsdata/qemu_3.0.0-q35.x86_64.xml b/tests/domaincapsdata/qemu_3.0.0-q35.x86_64.xml
index ab63745e97..4f80439eb4 100644
--- a/tests/domaincapsdata/qemu_3.0.0-q35.x86_64.xml
+++ b/tests/domaincapsdata/qemu_3.0.0-q35.x86_64.xml
@@ -193,6 +193,7 @@
       </enum>
       <enum name='backendModel'>
         <value>passthrough</value>
+        <value>emulator</value>
       </enum>
     </tpm>
   </devices>
diff --git a/tests/domaincapsdata/qemu_3.0.0-tcg.x86_64.xml b/tests/domaincapsdata/qemu_3.0.0-tcg.x86_64.xml
index 119b7020a7..301101095c 100644
--- a/tests/domaincapsdata/qemu_3.0.0-tcg.x86_64.xml
+++ b/tests/domaincapsdata/qemu_3.0.0-tcg.x86_64.xml
@@ -205,6 +205,7 @@
       </enum>
       <enum name='backendModel'>
         <value>passthrough</value>
+        <value>emulator</value>
       </enum>
     </tpm>
   </devices>
diff --git a/tests/domaincapsdata/qemu_3.0.0.x86_64.xml b/tests/domaincapsdata/qemu_3.0.0.x86_64.xml
index 087f3608b2..650728566e 100644
--- a/tests/domaincapsdata/qemu_3.0.0.x86_64.xml
+++ b/tests/domaincapsdata/qemu_3.0.0.x86_64.xml
@@ -193,6 +193,7 @@
       </enum>
       <enum name='backendModel'>
         <value>passthrough</value>
+        <value>emulator</value>
       </enum>
     </tpm>
   </devices>
diff --git a/tests/domaincapsdata/qemu_3.1.0-q35.x86_64.xml b/tests/domaincapsdata/qemu_3.1.0-q35.x86_64.xml
index 5c0cf79efd..c4277c53a1 100644
--- a/tests/domaincapsdata/qemu_3.1.0-q35.x86_64.xml
+++ b/tests/domaincapsdata/qemu_3.1.0-q35.x86_64.xml
@@ -196,6 +196,7 @@
       </enum>
       <enum name='backendModel'>
         <value>passthrough</value>
+        <value>emulator</value>
       </enum>
     </tpm>
   </devices>
diff --git a/tests/domaincapsdata/qemu_3.1.0-tcg.x86_64.xml b/tests/domaincapsdata/qemu_3.1.0-tcg.x86_64.xml
index e51dc28f79..1a5bc25b99 100644
--- a/tests/domaincapsdata/qemu_3.1.0-tcg.x86_64.xml
+++ b/tests/domaincapsdata/qemu_3.1.0-tcg.x86_64.xml
@@ -208,6 +208,7 @@
       </enum>
       <enum name='backendModel'>
         <value>passthrough</value>
+        <value>emulator</value>
       </enum>
     </tpm>
   </devices>
diff --git a/tests/domaincapsdata/qemu_3.1.0.x86_64.xml b/tests/domaincapsdata/qemu_3.1.0.x86_64.xml
index 5b42add078..6e3ddda356 100644
--- a/tests/domaincapsdata/qemu_3.1.0.x86_64.xml
+++ b/tests/domaincapsdata/qemu_3.1.0.x86_64.xml
@@ -196,6 +196,7 @@
       </enum>
       <enum name='backendModel'>
         <value>passthrough</value>
+        <value>emulator</value>
       </enum>
     </tpm>
   </devices>
diff --git a/tests/domaincapsdata/qemu_4.0.0-q35.x86_64.xml b/tests/domaincapsdata/qemu_4.0.0-q35.x86_64.xml
index 5e20814beb..8f3911b4b3 100644
--- a/tests/domaincapsdata/qemu_4.0.0-q35.x86_64.xml
+++ b/tests/domaincapsdata/qemu_4.0.0-q35.x86_64.xml
@@ -196,6 +196,7 @@
       </enum>
       <enum name='backendModel'>
         <value>passthrough</value>
+        <value>emulator</value>
       </enum>
     </tpm>
   </devices>
diff --git a/tests/domaincapsdata/qemu_4.0.0-tcg.x86_64.xml b/tests/domaincapsdata/qemu_4.0.0-tcg.x86_64.xml
index fa41ed288b..e744ac27ac 100644
--- a/tests/domaincapsdata/qemu_4.0.0-tcg.x86_64.xml
+++ b/tests/domaincapsdata/qemu_4.0.0-tcg.x86_64.xml
@@ -209,6 +209,7 @@
       </enum>
       <enum name='backendModel'>
         <value>passthrough</value>
+        <value>emulator</value>
       </enum>
     </tpm>
   </devices>
diff --git a/tests/domaincapsdata/qemu_4.0.0.x86_64.xml b/tests/domaincapsdata/qemu_4.0.0.x86_64.xml
index 14f0062817..24e732d9c3 100644
--- a/tests/domaincapsdata/qemu_4.0.0.x86_64.xml
+++ b/tests/domaincapsdata/qemu_4.0.0.x86_64.xml
@@ -196,6 +196,7 @@
       </enum>
       <enum name='backendModel'>
         <value>passthrough</value>
+        <value>emulator</value>
       </enum>
     </tpm>
   </devices>
diff --git a/tests/domaincapsdata/qemu_4.1.0-q35.x86_64.xml b/tests/domaincapsdata/qemu_4.1.0-q35.x86_64.xml
index f1446f8655..3ee7feea48 100644
--- a/tests/domaincapsdata/qemu_4.1.0-q35.x86_64.xml
+++ b/tests/domaincapsdata/qemu_4.1.0-q35.x86_64.xml
@@ -202,6 +202,7 @@
       </enum>
       <enum name='backendModel'>
         <value>passthrough</value>
+        <value>emulator</value>
       </enum>
     </tpm>
   </devices>
diff --git a/tests/domaincapsdata/qemu_4.1.0-tcg.x86_64.xml b/tests/domaincapsdata/qemu_4.1.0-tcg.x86_64.xml
index 77aca157b1..80b1ce8ef9 100644
--- a/tests/domaincapsdata/qemu_4.1.0-tcg.x86_64.xml
+++ b/tests/domaincapsdata/qemu_4.1.0-tcg.x86_64.xml
@@ -211,6 +211,7 @@
       </enum>
       <enum name='backendModel'>
         <value>passthrough</value>
+        <value>emulator</value>
       </enum>
     </tpm>
   </devices>
diff --git a/tests/domaincapsdata/qemu_4.1.0.x86_64.xml b/tests/domaincapsdata/qemu_4.1.0.x86_64.xml
index 854d62b89e..0f1d398e2c 100644
--- a/tests/domaincapsdata/qemu_4.1.0.x86_64.xml
+++ b/tests/domaincapsdata/qemu_4.1.0.x86_64.xml
@@ -202,6 +202,7 @@
       </enum>
       <enum name='backendModel'>
         <value>passthrough</value>
+        <value>emulator</value>
       </enum>
     </tpm>
   </devices>
diff --git a/tests/domaincapsdata/qemu_4.2.0-q35.x86_64.xml b/tests/domaincapsdata/qemu_4.2.0-q35.x86_64.xml
index 739e0c6a13..c8a77cdd41 100644
--- a/tests/domaincapsdata/qemu_4.2.0-q35.x86_64.xml
+++ b/tests/domaincapsdata/qemu_4.2.0-q35.x86_64.xml
@@ -210,6 +210,7 @@
       </enum>
       <enum name='backendModel'>
         <value>passthrough</value>
+        <value>emulator</value>
       </enum>
     </tpm>
   </devices>
diff --git a/tests/domaincapsdata/qemu_4.2.0-tcg.x86_64.xml b/tests/domaincapsdata/qemu_4.2.0-tcg.x86_64.xml
index 30de3cede7..91b3ed6f80 100644
--- a/tests/domaincapsdata/qemu_4.2.0-tcg.x86_64.xml
+++ b/tests/domaincapsdata/qemu_4.2.0-tcg.x86_64.xml
@@ -218,6 +218,7 @@
       </enum>
       <enum name='backendModel'>
         <value>passthrough</value>
+        <value>emulator</value>
       </enum>
     </tpm>
   </devices>
diff --git a/tests/domaincapsdata/qemu_4.2.0.x86_64.xml b/tests/domaincapsdata/qemu_4.2.0.x86_64.xml
index 6b8e895ff6..6578fd04b6 100644
--- a/tests/domaincapsdata/qemu_4.2.0.x86_64.xml
+++ b/tests/domaincapsdata/qemu_4.2.0.x86_64.xml
@@ -210,6 +210,7 @@
       </enum>
       <enum name='backendModel'>
         <value>passthrough</value>
+        <value>emulator</value>
       </enum>
     </tpm>
   </devices>
diff --git a/tests/domaincapsdata/qemu_5.0.0-q35.x86_64.xml b/tests/domaincapsdata/qemu_5.0.0-q35.x86_64.xml
index b0eba3550a..8a6797c2f1 100644
--- a/tests/domaincapsdata/qemu_5.0.0-q35.x86_64.xml
+++ b/tests/domaincapsdata/qemu_5.0.0-q35.x86_64.xml
@@ -212,6 +212,7 @@
       </enum>
       <enum name='backendModel'>
         <value>passthrough</value>
+        <value>emulator</value>
       </enum>
     </tpm>
   </devices>
diff --git a/tests/domaincapsdata/qemu_5.0.0-tcg.x86_64.xml b/tests/domaincapsdata/qemu_5.0.0-tcg.x86_64.xml
index fdce0eaaad..b8737613e9 100644
--- a/tests/domaincapsdata/qemu_5.0.0-tcg.x86_64.xml
+++ b/tests/domaincapsdata/qemu_5.0.0-tcg.x86_64.xml
@@ -219,6 +219,7 @@
       </enum>
       <enum name='backendModel'>
         <value>passthrough</value>
+        <value>emulator</value>
       </enum>
     </tpm>
   </devices>
diff --git a/tests/domaincapsdata/qemu_5.0.0-virt.aarch64.xml b/tests/domaincapsdata/qemu_5.0.0-virt.aarch64.xml
index f926e025aa..f8cea230d9 100644
--- a/tests/domaincapsdata/qemu_5.0.0-virt.aarch64.xml
+++ b/tests/domaincapsdata/qemu_5.0.0-virt.aarch64.xml
@@ -171,6 +171,7 @@
       </enum>
       <enum name='backendModel'>
         <value>passthrough</value>
+        <value>emulator</value>
       </enum>
     </tpm>
   </devices>
diff --git a/tests/domaincapsdata/qemu_5.0.0.aarch64.xml b/tests/domaincapsdata/qemu_5.0.0.aarch64.xml
index 3c842d3642..ab72b7ffeb 100644
--- a/tests/domaincapsdata/qemu_5.0.0.aarch64.xml
+++ b/tests/domaincapsdata/qemu_5.0.0.aarch64.xml
@@ -169,6 +169,7 @@
       </enum>
       <enum name='backendModel'>
         <value>passthrough</value>
+        <value>emulator</value>
       </enum>
     </tpm>
   </devices>
diff --git a/tests/domaincapsdata/qemu_5.0.0.ppc64.xml b/tests/domaincapsdata/qemu_5.0.0.ppc64.xml
index f85f4e6268..5772045e35 100644
--- a/tests/domaincapsdata/qemu_5.0.0.ppc64.xml
+++ b/tests/domaincapsdata/qemu_5.0.0.ppc64.xml
@@ -135,6 +135,7 @@
       </enum>
       <enum name='backendModel'>
         <value>passthrough</value>
+        <value>emulator</value>
       </enum>
     </tpm>
   </devices>
diff --git a/tests/domaincapsdata/qemu_5.0.0.x86_64.xml b/tests/domaincapsdata/qemu_5.0.0.x86_64.xml
index 4a4893c030..51ca1d98e0 100644
--- a/tests/domaincapsdata/qemu_5.0.0.x86_64.xml
+++ b/tests/domaincapsdata/qemu_5.0.0.x86_64.xml
@@ -212,6 +212,7 @@
       </enum>
       <enum name='backendModel'>
         <value>passthrough</value>
+        <value>emulator</value>
       </enum>
     </tpm>
   </devices>
diff --git a/tests/domaincapsdata/qemu_5.1.0-q35.x86_64.xml b/tests/domaincapsdata/qemu_5.1.0-q35.x86_64.xml
index 5b4bb4246e..3468fb2e72 100644
--- a/tests/domaincapsdata/qemu_5.1.0-q35.x86_64.xml
+++ b/tests/domaincapsdata/qemu_5.1.0-q35.x86_64.xml
@@ -213,6 +213,7 @@
       </enum>
       <enum name='backendModel'>
         <value>passthrough</value>
+        <value>emulator</value>
       </enum>
     </tpm>
   </devices>
diff --git a/tests/domaincapsdata/qemu_5.1.0-tcg.x86_64.xml b/tests/domaincapsdata/qemu_5.1.0-tcg.x86_64.xml
index b28f7dd549..034036ca96 100644
--- a/tests/domaincapsdata/qemu_5.1.0-tcg.x86_64.xml
+++ b/tests/domaincapsdata/qemu_5.1.0-tcg.x86_64.xml
@@ -219,6 +219,7 @@
       </enum>
       <enum name='backendModel'>
         <value>passthrough</value>
+        <value>emulator</value>
       </enum>
     </tpm>
   </devices>
diff --git a/tests/domaincapsdata/qemu_5.1.0.x86_64.xml b/tests/domaincapsdata/qemu_5.1.0.x86_64.xml
index 1eabdf1a6d..8ff49c7899 100644
--- a/tests/domaincapsdata/qemu_5.1.0.x86_64.xml
+++ b/tests/domaincapsdata/qemu_5.1.0.x86_64.xml
@@ -213,6 +213,7 @@
       </enum>
       <enum name='backendModel'>
         <value>passthrough</value>
+        <value>emulator</value>
       </enum>
     </tpm>
   </devices>
diff --git a/tests/domaincapsdata/qemu_5.2.0-q35.x86_64.xml b/tests/domaincapsdata/qemu_5.2.0-q35.x86_64.xml
index 794e1d7b22..2301a475eb 100644
--- a/tests/domaincapsdata/qemu_5.2.0-q35.x86_64.xml
+++ b/tests/domaincapsdata/qemu_5.2.0-q35.x86_64.xml
@@ -213,6 +213,7 @@
       </enum>
       <enum name='backendModel'>
         <value>passthrough</value>
+        <value>emulator</value>
       </enum>
     </tpm>
   </devices>
diff --git a/tests/domaincapsdata/qemu_5.2.0-tcg.x86_64.xml b/tests/domaincapsdata/qemu_5.2.0-tcg.x86_64.xml
index e8ec912cee..d3a4b01234 100644
--- a/tests/domaincapsdata/qemu_5.2.0-tcg.x86_64.xml
+++ b/tests/domaincapsdata/qemu_5.2.0-tcg.x86_64.xml
@@ -219,6 +219,7 @@
       </enum>
       <enum name='backendModel'>
         <value>passthrough</value>
+        <value>emulator</value>
       </enum>
     </tpm>
   </devices>
diff --git a/tests/domaincapsdata/qemu_5.2.0-virt.aarch64.xml b/tests/domaincapsdata/qemu_5.2.0-virt.aarch64.xml
index 14d93448e9..a863a6052d 100644
--- a/tests/domaincapsdata/qemu_5.2.0-virt.aarch64.xml
+++ b/tests/domaincapsdata/qemu_5.2.0-virt.aarch64.xml
@@ -171,6 +171,7 @@
       </enum>
       <enum name='backendModel'>
         <value>passthrough</value>
+        <value>emulator</value>
       </enum>
     </tpm>
   </devices>
diff --git a/tests/domaincapsdata/qemu_5.2.0.aarch64.xml b/tests/domaincapsdata/qemu_5.2.0.aarch64.xml
index 3c842d3642..ab72b7ffeb 100644
--- a/tests/domaincapsdata/qemu_5.2.0.aarch64.xml
+++ b/tests/domaincapsdata/qemu_5.2.0.aarch64.xml
@@ -169,6 +169,7 @@
       </enum>
       <enum name='backendModel'>
         <value>passthrough</value>
+        <value>emulator</value>
       </enum>
     </tpm>
   </devices>
diff --git a/tests/domaincapsdata/qemu_5.2.0.ppc64.xml b/tests/domaincapsdata/qemu_5.2.0.ppc64.xml
index 7691d1d762..051b7d43a8 100644
--- a/tests/domaincapsdata/qemu_5.2.0.ppc64.xml
+++ b/tests/domaincapsdata/qemu_5.2.0.ppc64.xml
@@ -135,6 +135,7 @@
       </enum>
       <enum name='backendModel'>
         <value>passthrough</value>
+        <value>emulator</value>
       </enum>
     </tpm>
   </devices>
diff --git a/tests/domaincapsdata/qemu_5.2.0.x86_64.xml b/tests/domaincapsdata/qemu_5.2.0.x86_64.xml
index f6911b06b3..41a54985d7 100644
--- a/tests/domaincapsdata/qemu_5.2.0.x86_64.xml
+++ b/tests/domaincapsdata/qemu_5.2.0.x86_64.xml
@@ -213,6 +213,7 @@
       </enum>
       <enum name='backendModel'>
         <value>passthrough</value>
+        <value>emulator</value>
       </enum>
     </tpm>
   </devices>
diff --git a/tests/domaincapsdata/qemu_6.0.0-q35.x86_64.xml b/tests/domaincapsdata/qemu_6.0.0-q35.x86_64.xml
index d59772cbf6..90acb29775 100644
--- a/tests/domaincapsdata/qemu_6.0.0-q35.x86_64.xml
+++ b/tests/domaincapsdata/qemu_6.0.0-q35.x86_64.xml
@@ -214,6 +214,7 @@
       </enum>
       <enum name='backendModel'>
         <value>passthrough</value>
+        <value>emulator</value>
       </enum>
     </tpm>
   </devices>
diff --git a/tests/domaincapsdata/qemu_6.0.0-tcg.x86_64.xml b/tests/domaincapsdata/qemu_6.0.0-tcg.x86_64.xml
index 7a0ee26854..768cba5a41 100644
--- a/tests/domaincapsdata/qemu_6.0.0-tcg.x86_64.xml
+++ b/tests/domaincapsdata/qemu_6.0.0-tcg.x86_64.xml
@@ -220,6 +220,7 @@
       </enum>
       <enum name='backendModel'>
         <value>passthrough</value>
+        <value>emulator</value>
       </enum>
     </tpm>
   </devices>
diff --git a/tests/domaincapsdata/qemu_6.0.0-virt.aarch64.xml b/tests/domaincapsdata/qemu_6.0.0-virt.aarch64.xml
index ca66634456..61eab9de0e 100644
--- a/tests/domaincapsdata/qemu_6.0.0-virt.aarch64.xml
+++ b/tests/domaincapsdata/qemu_6.0.0-virt.aarch64.xml
@@ -172,6 +172,7 @@
       </enum>
       <enum name='backendModel'>
         <value>passthrough</value>
+        <value>emulator</value>
       </enum>
     </tpm>
   </devices>
diff --git a/tests/domaincapsdata/qemu_6.0.0.aarch64.xml b/tests/domaincapsdata/qemu_6.0.0.aarch64.xml
index 7c2d0c6120..fa722b5fd3 100644
--- a/tests/domaincapsdata/qemu_6.0.0.aarch64.xml
+++ b/tests/domaincapsdata/qemu_6.0.0.aarch64.xml
@@ -170,6 +170,7 @@
       </enum>
       <enum name='backendModel'>
         <value>passthrough</value>
+        <value>emulator</value>
       </enum>
     </tpm>
   </devices>
diff --git a/tests/domaincapsdata/qemu_6.0.0.x86_64.xml b/tests/domaincapsdata/qemu_6.0.0.x86_64.xml
index 3255765c75..7a95c530f9 100644
--- a/tests/domaincapsdata/qemu_6.0.0.x86_64.xml
+++ b/tests/domaincapsdata/qemu_6.0.0.x86_64.xml
@@ -214,6 +214,7 @@
       </enum>
       <enum name='backendModel'>
         <value>passthrough</value>
+        <value>emulator</value>
       </enum>
     </tpm>
   </devices>
diff --git a/tests/domaincapsdata/qemu_6.1.0-q35.x86_64.xml b/tests/domaincapsdata/qemu_6.1.0-q35.x86_64.xml
index 86fdf9b884..f4d0fcf673 100644
--- a/tests/domaincapsdata/qemu_6.1.0-q35.x86_64.xml
+++ b/tests/domaincapsdata/qemu_6.1.0-q35.x86_64.xml
@@ -215,6 +215,7 @@
       </enum>
       <enum name='backendModel'>
         <value>passthrough</value>
+        <value>emulator</value>
       </enum>
     </tpm>
   </devices>
diff --git a/tests/domaincapsdata/qemu_6.1.0-tcg.x86_64.xml b/tests/domaincapsdata/qemu_6.1.0-tcg.x86_64.xml
index 034273c847..2c761fc1af 100644
--- a/tests/domaincapsdata/qemu_6.1.0-tcg.x86_64.xml
+++ b/tests/domaincapsdata/qemu_6.1.0-tcg.x86_64.xml
@@ -220,6 +220,7 @@
       </enum>
       <enum name='backendModel'>
         <value>passthrough</value>
+        <value>emulator</value>
       </enum>
     </tpm>
   </devices>
diff --git a/tests/domaincapsdata/qemu_6.1.0.x86_64.xml b/tests/domaincapsdata/qemu_6.1.0.x86_64.xml
index 4a943c4f36..67fc449f5d 100644
--- a/tests/domaincapsdata/qemu_6.1.0.x86_64.xml
+++ b/tests/domaincapsdata/qemu_6.1.0.x86_64.xml
@@ -215,6 +215,7 @@
       </enum>
       <enum name='backendModel'>
         <value>passthrough</value>
+        <value>emulator</value>
       </enum>
     </tpm>
   </devices>
diff --git a/tests/domaincapsdata/qemu_6.2.0-q35.x86_64.xml b/tests/domaincapsdata/qemu_6.2.0-q35.x86_64.xml
index 52819a9532..9d68c0a404 100644
--- a/tests/domaincapsdata/qemu_6.2.0-q35.x86_64.xml
+++ b/tests/domaincapsdata/qemu_6.2.0-q35.x86_64.xml
@@ -215,6 +215,7 @@
       </enum>
       <enum name='backendModel'>
         <value>passthrough</value>
+        <value>emulator</value>
       </enum>
     </tpm>
   </devices>
diff --git a/tests/domaincapsdata/qemu_6.2.0-tcg.x86_64.xml b/tests/domaincapsdata/qemu_6.2.0-tcg.x86_64.xml
index 7d14e53255..8db840faac 100644
--- a/tests/domaincapsdata/qemu_6.2.0-tcg.x86_64.xml
+++ b/tests/domaincapsdata/qemu_6.2.0-tcg.x86_64.xml
@@ -221,6 +221,7 @@
       </enum>
       <enum name='backendModel'>
         <value>passthrough</value>
+        <value>emulator</value>
       </enum>
     </tpm>
   </devices>
diff --git a/tests/domaincapsdata/qemu_6.2.0-virt.aarch64.xml b/tests/domaincapsdata/qemu_6.2.0-virt.aarch64.xml
index 665f7e568f..f6045623f5 100644
--- a/tests/domaincapsdata/qemu_6.2.0-virt.aarch64.xml
+++ b/tests/domaincapsdata/qemu_6.2.0-virt.aarch64.xml
@@ -174,6 +174,7 @@
       </enum>
       <enum name='backendModel'>
         <value>passthrough</value>
+        <value>emulator</value>
       </enum>
     </tpm>
   </devices>
diff --git a/tests/domaincapsdata/qemu_6.2.0.aarch64.xml b/tests/domaincapsdata/qemu_6.2.0.aarch64.xml
index e1005392e1..35e18adcd5 100644
--- a/tests/domaincapsdata/qemu_6.2.0.aarch64.xml
+++ b/tests/domaincapsdata/qemu_6.2.0.aarch64.xml
@@ -172,6 +172,7 @@
       </enum>
       <enum name='backendModel'>
         <value>passthrough</value>
+        <value>emulator</value>
       </enum>
     </tpm>
   </devices>
diff --git a/tests/domaincapsdata/qemu_6.2.0.ppc64.xml b/tests/domaincapsdata/qemu_6.2.0.ppc64.xml
index 720d6ad885..8fed9d30b7 100644
--- a/tests/domaincapsdata/qemu_6.2.0.ppc64.xml
+++ b/tests/domaincapsdata/qemu_6.2.0.ppc64.xml
@@ -133,6 +133,7 @@
       </enum>
       <enum name='backendModel'>
         <value>passthrough</value>
+        <value>emulator</value>
       </enum>
     </tpm>
   </devices>
diff --git a/tests/domaincapsdata/qemu_6.2.0.x86_64.xml b/tests/domaincapsdata/qemu_6.2.0.x86_64.xml
index beb473cd73..0f89790b60 100644
--- a/tests/domaincapsdata/qemu_6.2.0.x86_64.xml
+++ b/tests/domaincapsdata/qemu_6.2.0.x86_64.xml
@@ -215,6 +215,7 @@
       </enum>
       <enum name='backendModel'>
         <value>passthrough</value>
+        <value>emulator</value>
       </enum>
     </tpm>
   </devices>
diff --git a/tests/domaincapstest.c b/tests/domaincapstest.c
index 4a46acb9ad..479bcb1c35 100644
--- a/tests/domaincapstest.c
+++ b/tests/domaincapstest.c
@@ -22,6 +22,7 @@
 #include "domain_capabilities.h"
 #include "virfilewrapper.h"
 #include "configmake.h"
+#include "virtpm.h"
 
 
 #define VIR_FROM_THIS VIR_FROM_NONE
@@ -126,6 +127,14 @@ fillQemuCaps(virDomainCaps *domCaps,
 
     return 0;
 }
+
+
+/* Enough to tell capabilities code that swtpm is usable */
+bool virTPMHasSwtpm(void)
+{
+    return true;
+}
+
 #endif /* WITH_QEMU */