diff --git a/smalltalk-ci/Squeak-6.0.ston b/smalltalk-ci/Squeak-6.0.ston
index e527e3f..f928c3c 100644
--- a/smalltalk-ci/Squeak-6.0.ston
+++ b/smalltalk-ci/Squeak-6.0.ston
@@ -5,11 +5,13 @@ SmalltalkCISpec {
     #hidePassingTests : true,
     #exclude : {
       #classes : [
-        #AllocationTest,
         #DebuggerTests,
         #LangEnvBugs,
         #Win32VMTest
-      ]
+      ],
+      #classComments : {
+        #DebuggerTests : 'generates user interrupt which would abort test execution'
+      }
     }
   }
 }
diff --git a/smalltalk-ci/Squeak-trunk.ston b/smalltalk-ci/Squeak-trunk.ston
index e527e3f..f928c3c 100644
--- a/smalltalk-ci/Squeak-trunk.ston
+++ b/smalltalk-ci/Squeak-trunk.ston
@@ -5,11 +5,13 @@ SmalltalkCISpec {
     #hidePassingTests : true,
     #exclude : {
       #classes : [
-        #AllocationTest,
         #DebuggerTests,
         #LangEnvBugs,
         #Win32VMTest
-      ]
+      ],
+      #classComments : {
+        #DebuggerTests : 'generates user interrupt which would abort test execution'
+      }
     }
   }
 }
diff --git a/smalltalk-ci/Squeak64-6.0.ston b/smalltalk-ci/Squeak64-6.0.ston
index e527e3f..f928c3c 100644
--- a/smalltalk-ci/Squeak64-6.0.ston
+++ b/smalltalk-ci/Squeak64-6.0.ston
@@ -5,11 +5,13 @@ SmalltalkCISpec {
     #hidePassingTests : true,
     #exclude : {
       #classes : [
-        #AllocationTest,
         #DebuggerTests,
         #LangEnvBugs,
         #Win32VMTest
-      ]
+      ],
+      #classComments : {
+        #DebuggerTests : 'generates user interrupt which would abort test execution'
+      }
     }
   }
 }
diff --git a/smalltalk-ci/Squeak64-trunk.ston b/smalltalk-ci/Squeak64-trunk.ston
index e527e3f..f928c3c 100644
--- a/smalltalk-ci/Squeak64-trunk.ston
+++ b/smalltalk-ci/Squeak64-trunk.ston
@@ -5,11 +5,13 @@ SmalltalkCISpec {
     #hidePassingTests : true,
     #exclude : {
       #classes : [
-        #AllocationTest,
         #DebuggerTests,
         #LangEnvBugs,
         #Win32VMTest
-      ]
+      ],
+      #classComments : {
+        #DebuggerTests : 'generates user interrupt which would abort test execution'
+      }
     }
   }
 }