diff --git a/src/Pyramid-Tests/PyramidEditorTest.class.st b/src/Pyramid-Tests/PyramidEditorTest.class.st
index 55f3c122..7af33d8e 100644
--- a/src/Pyramid-Tests/PyramidEditorTest.class.st
+++ b/src/Pyramid-Tests/PyramidEditorTest.class.st
@@ -5,9 +5,11 @@ Class {
 }
 
 { #category : #tests }
-PyramidEditorTest >> testOpenNewEditor [
+PyramidEditorTest >> testOpenNewEditorWithSpacePluginInstalled [
+	"This test does not work on a headless vm. The current CI use a headless vm."
 
 	| editor spec |
+	Smalltalk isInteractiveGraphic ifFalse: [ ^ self skip ].
 	editor := PyramidPluginManager uniqueInstance makeEditor.
 	spec := editor window open.
 	(Duration milliSeconds: 10) wait.
@@ -21,3 +23,27 @@ PyramidEditorTest >> testOpenNewEditor [
 	self assert: editor window isClosed.
 	self deny: spec window isInWorld
 ]
+
+{ #category : #tests }
+PyramidEditorTest >> testOpenNewEditorWithSpacePluginUninstalled [
+
+	| editor spec |
+	editor := PyramidEditorBuilder new
+		          plugins:
+			          (PyramidPluginManager uniqueInstance pluginClasses
+				           reject: [ :class | class name = #PyramidSpacePlugin ]
+				           thenCollect: [ :class | class new ]);
+		          build.
+
+	spec := editor window open.
+	(Duration milliSeconds: 10) wait.
+	self currentWorld doOneCycle.
+	self assert: editor window isOpen.
+	self assert: spec window isInWorld.
+
+	editor window close.
+	(Duration milliSeconds: 10) wait.
+	self currentWorld doOneCycle.
+	self assert: editor window isClosed.
+	self deny: spec window isInWorld
+]
diff --git a/src/Pyramid-Tests/PyramidSpacePresenterTest.class.st b/src/Pyramid-Tests/PyramidSpacePresenterTest.class.st
index f0048d0a..8f66e03e 100644
--- a/src/Pyramid-Tests/PyramidSpacePresenterTest.class.st
+++ b/src/Pyramid-Tests/PyramidSpacePresenterTest.class.st
@@ -4,16 +4,11 @@ Class {
 	#category : #'Pyramid-Tests-Cases'
 }
 
-{ #category : #tests }
-PyramidSpacePresenterTest >> testIsInteractive [
-
-	self assert: Smalltalk isInteractiveGraphic
-]
-
 { #category : #tests }
 PyramidSpacePresenterTest >> testMakeSpacePresenter [
 
-	| morphPresenter overlaysManager spec |
+	| morphPresenter overlaysManager |
+
 	self currentWorld displayWorld.
 	overlaysManager := PyramidOverlaysManager new.
 	morphPresenter := PyramidSpacePresenter new
@@ -22,47 +17,5 @@ PyramidSpacePresenterTest >> testMakeSpacePresenter [
 	self
 		assert: overlaysManager space host containerMorph
 		equals: morphPresenter morph.
-	self deny: overlaysManager space isOpened.
-
-	spec := morphPresenter open.
-	(Duration milliSeconds: 10) wait.
-	self currentWorld doOneCycle.
-	self assert: spec window isInWorld.
-	self assert: overlaysManager space isOpened.
-
-	spec close.
-	(Duration milliSeconds: 10) wait.
-	self currentWorld doOneCycle.
-	self deny: spec window isInWorld.
 	self deny: overlaysManager space isOpened
 ]
-
-{ #category : #tests }
-PyramidSpacePresenterTest >> testSpace [
-
-	| space |
-	space := BlSpace new.
-	self deny: space isOpened.
-	space show.
-	(Duration milliSeconds: 100) wait.
-	self assert: space isOpened.
-	space close.
-	(Duration milliSeconds: 100) wait.
-	self deny: space isOpened
-]
-
-{ #category : #tests }
-PyramidSpacePresenterTest >> testWorldRenderer [
-
-	| worldRenderer |
-	worldRenderer := self currentWorld worldState worldRenderer.
-	self
-		deny: [ worldRenderer class = BlMorphicWorldRenderer ]
-		description: 'BlMorphicWorldRenderer'.
-	self
-		deny: [ worldRenderer class = NullWorldRenderer ]
-		description: 'NullWorldRenderer'.
-	self
-		assert: [ worldRenderer class = OSWorldRenderer ]
-		description: 'OSWorldRenderer'
-]