Index: /CKEditor/trunk/_source/core/test.js
===================================================================
--- /CKEditor/trunk/_source/core/test.js	(revision 4146)
+++ /CKEditor/trunk/_source/core/test.js	(revision 4147)
@@ -72,3 +72,55 @@
 	
 };
+
+// Inherit generic testing APIs from CKTESTER.
 YAHOO.lang.augmentObject( CKEDITOR.test, CKTESTER.tools );
+
+
+// Provide a set of default test suites/test cases.
+CKEDITOR.test.suites = {};
+CKEDITOR.test.cases = {};
+/**
+ *  All test cases in this suite share a fully interacted 'playground' editor instance.
+ */
+YAHOO.lang.extend( ( CKEDITOR.test.suites.editorTestSuite = function( template )
+	{
+		// The editor instance shared by all tests.
+		this.editor = null;
+		// The editor name to be used.
+		this.editorName = '';
+		// The editor instance config to be used.
+		this.config = null;
+		// The initial editor data loaded.
+		this.startupData = null;
+
+		CKEDITOR.test.suites.editorTestSuite.superclass.constructor.call( this, template );
+
+	} ), YAHOO.tool.TestSuite,
+	{
+		setUp : function() {
+
+			var editorName = this.editorName || 'test_editor';
+			var element = CKEDITOR.document.getById( editorName )
+						  || CKEDITOR.document.getBody().append(
+								CKEDITOR.dom.element.createFromHtml(
+								'<div id="' + editorName + '"></div>') );
+			element.setValue( this.startupData );
+			CKEDITOR.on( 'instanceReady', function( evt )
+			{
+				if ( evt.editor.name == editorName )
+				{
+					this.editor = evt.editor;
+					this.editor.focus();
+					this.resumeSetup();
+				}
+			}, this );
+			CKEDITOR.replace( element.getAttribute( 'id' ), this.config );
+			this.wait();
+		},
+
+		tearDown : function()
+		{
+			this.editor.destroy();
+		}
+	});
+