correct fix to allow running tests without classpath of 'main' module

community-resources/src/idea/PlatformLangXmlApplicationInfo.xml

@@ -0,0 +1,26 @@
+<component>
+  <version codename="Community Edition" major="10" minor="0" eap="true" update-channel="IDEA10EAP"/>
+  <build number="__BUILD_NUMBER__" date="__BUILD_DATE__"/>
+  <install-over minbuild="0" maxbuild="0" version="9.0"/>
+  <logo url="/idea_community_logo.png" textcolor="FFFFFF"/>
+  <about url="/idea_community_about.png"/>
+  <icon size32="/icon_CE.png" size16="/icon_CEsmall.png" size32opaque="/icon_CEwhite.png" size12="/general/toolWindowProject.png"/>
+  <package code="__PACKAGE_CODE__"/>
+  <names product="IDEA" fullname="IntelliJ IDEA"/>
+
+  <welcome-screen caption-url="/welcomeCaption_community.png" slogan-url="/developSlogan_community.png"/>
+
+  <update-urls check="http://www.jetbrains.com/updates/updates.xml"
+               patches="http://download.jetbrains.com/idea/"/>
+  <help file="ideahelp.jar" root="idea"/>
+  <documentation url="http://www.jetbrains.com/idea/documentation"/>
+  <support url="http://www.jetbrains.com/support/idea/index.html"/>
+  <feedback eap-url="http://youtrack.jetbrains.net" release-url="http://www.jetbrains.com/feedback/feedback.jsp?product=IDEA&amp;build=$BUILD&amp;timezone=$TIMEZONE&amp;eval=$EVAL"/>
+  <plugins url="http://plugins.intellij.net"/>
+  <whatsnew url="http://www.jetbrains.com/idea/whatsnew/index.html"/>
+  <keymap win="http://www.jetbrains.com/idea/docs/IntelliJIDEA9_ReferenceCard.pdf"
+          mac="http://www.jetbrains.com/idea/docs/IntelliJIDEA9_ReferenceCard_Mac.pdf"/>
+
+  <plugins-page category="VCS Integration" title="Select VCS Integration Plugins"/>
+  <plugins-page title="Select Other Plugins"/>
+</component>

java/testFramework/src/com/intellij/testFramework/IdeaTestCase.java

@@ -26,8 +26,6 @@ import org.jetbrains.annotations.NonNls;
  * @author mike
  */
 @NonNls public abstract class IdeaTestCase extends PlatformTestCase {
-  private static boolean ourPlatformPrefixInitialized;
-
   protected IdeaTestCase() {
     initPlatformPrefix();
   }

platform/platform-resources/src/META-INF/PlatformLangXmlPlugin.xml

@@ -0,0 +1,13 @@
+<idea-plugin version="2" xmlns:xi="http://www.w3.org/2001/XInclude">
+  <application-components>
+    <component>
+      <implementation-class>com.intellij.ultimate.UltimateVerifier</implementation-class>
+    </component>
+  </application-components>
+
+  <xi:include href="/META-INF/PlatformLangPlugin.xml" xpointer="xpointer(/idea-plugin/*)"/>
+  <xi:include href="/META-INF/XmlPlugin.xml" xpointer="xpointer(/idea-plugin/*)"/>
+  <xi:include href="/META-INF/ImagesPlugin.xml" xpointer="xpointer(/idea-plugin/*)"/>
+
+  <module value="com.intellij.modules.xml"/>
+</idea-plugin>

platform/testFramework/src/com/intellij/testFramework/PlatformTestCase.java

@@ -96,6 +96,8 @@ public abstract class PlatformTestCase extends UsefulTestCase implements DataPro
   private String myTempDirPath;
   private ThreadTracker myThreadTracker;
 
+  protected static boolean ourPlatformPrefixInitialized;
+
   static {
     Logger.setFactory(TestLoggerFactory.getInstance());
   }
@@ -618,4 +620,20 @@ public abstract class PlatformTestCase extends UsefulTestCase implements DataPro
       }
     }
   }
+
+  public static void initPlatformLangPrefix() {
+    if (!ourPlatformPrefixInitialized) {
+      ourPlatformPrefixInitialized = true;
+      boolean isUltimate = true;
+      try {
+        PlatformTestCase.class.getClassLoader().loadClass("com.intellij.openapi.project.impl.IdeaProjectManagerImpl");
+      }
+      catch (ClassNotFoundException e) {
+        isUltimate = false;
+      }
+      if (!isUltimate) {
+        System.setProperty("idea.platform.prefix", "PlatformLangXml");
+      }
+    }
+  }
 }