diff --git a/platform/testRunner/src/com/intellij/execution/testframework/SourceScope.java b/platform/testRunner/src/com/intellij/execution/testframework/SourceScope.java
index 9c5224e5bc98..17028ad1d40c 100644
--- a/platform/testRunner/src/com/intellij/execution/testframework/SourceScope.java
+++ b/platform/testRunner/src/com/intellij/execution/testframework/SourceScope.java
@@ -97,20 +97,30 @@ public abstract class SourceScope {
   public static SourceScope modulesWithDependencies(final Module[] modules) {
     if (modules == null || modules.length == 0) return null;
     return new ModuleSourceScope(modules[0].getProject()) {
+
+      private GlobalSearchScope myGlobalSearchScope;
+      private GlobalSearchScope myLibScope;
+
       public GlobalSearchScope getGlobalSearchScope() {
-        return evaluateScopesAndUnite(modules, new ScopeForModuleEvaluator() {
-          public GlobalSearchScope evaluate(final Module module) {
-            return GlobalSearchScope.moduleWithDependenciesScope(module);
-          }
-        });
+        if (myGlobalSearchScope == null) {
+          myGlobalSearchScope = evaluateScopesAndUnite(modules, new ScopeForModuleEvaluator() {
+            public GlobalSearchScope evaluate(final Module module) {
+              return GlobalSearchScope.moduleWithDependenciesScope(module);
+            }
+          });
+        }
+        return myGlobalSearchScope;
       }
 
       public GlobalSearchScope getLibrariesScope() {
-        return evaluateScopesAndUnite(modules, new ScopeForModuleEvaluator() {
-          public GlobalSearchScope evaluate(final Module module) {
-            return new ModuleWithDependenciesAndLibsDependencies(module);
-          }
-        });
+        if (myLibScope == null) {
+          myLibScope = evaluateScopesAndUnite(modules, new ScopeForModuleEvaluator() {
+            public GlobalSearchScope evaluate(final Module module) {
+              return new ModuleWithDependenciesAndLibsDependencies(module);
+            }
+          });
+        }
+        return myLibScope;
       }
 
       public Module[] getModulesToCompile() {
@@ -135,20 +145,30 @@ public abstract class SourceScope {
   public static SourceScope modules(final Module[] modules) {
     if (modules == null || modules.length == 0) return null;
     return new ModuleSourceScope(modules[0].getProject()) {
+
+      private GlobalSearchScope myLibScope;
+      private GlobalSearchScope myGlobalSearchScope;
+
       public GlobalSearchScope getGlobalSearchScope() {
-        return evaluateScopesAndUnite(modules, new ScopeForModuleEvaluator() {
-          public GlobalSearchScope evaluate(final Module module) {
-            return GlobalSearchScope.moduleScope(module);
-          }
-        });
+        if (myGlobalSearchScope == null) {
+          myGlobalSearchScope = evaluateScopesAndUnite(modules, new ScopeForModuleEvaluator() {
+            public GlobalSearchScope evaluate(final Module module) {
+              return GlobalSearchScope.moduleScope(module);
+            }
+          });
+        }
+        return myGlobalSearchScope;
       }
 
       public GlobalSearchScope getLibrariesScope() {
-        return evaluateScopesAndUnite(modules, new ScopeForModuleEvaluator() {
-          public GlobalSearchScope evaluate(final Module module) {
-            return GlobalSearchScope.moduleWithLibrariesScope(module);
-          }
-        });
+        if (myLibScope == null) {
+          myLibScope = evaluateScopesAndUnite(modules, new ScopeForModuleEvaluator() {
+            public GlobalSearchScope evaluate(final Module module) {
+              return GlobalSearchScope.moduleWithLibrariesScope(module);
+            }
+          });
+        }
+        return myLibScope;
       }
 
       public Module[] getModulesToCompile() {