diff --git a/java/java-tests/java-tests.iml b/java/java-tests/java-tests.iml
index 42db66095fac..47ccdb4f49db 100644
--- a/java/java-tests/java-tests.iml
+++ b/java/java-tests/java-tests.iml
@@ -57,6 +57,5 @@
     <orderEntry type="library" scope="TEST" name="memoryfilesystem" level="project" />
     <orderEntry type="module" module-name="testExtensions" scope="TEST" />
     <orderEntry type="module" module-name="configuration-store-impl" scope="TEST" />
-    <orderEntry type="module" module-name="jetCheck" scope="TEST" />
   </component>
 </module>
\ No newline at end of file
diff --git a/platform/testFramework/testFramework.iml b/platform/testFramework/testFramework.iml
index 8579617f8501..0a76638cb42a 100644
--- a/platform/testFramework/testFramework.iml
+++ b/platform/testFramework/testFramework.iml
@@ -26,6 +26,6 @@
     <orderEntry type="module" module-name="RegExpSupport" exported="" scope="RUNTIME" />
     <orderEntry type="library" name="KotlinJavaRuntime" level="project" />
     <orderEntry type="module" module-name="boot" />
-    <orderEntry type="module" module-name="jetCheck" scope="TEST" />
+    <orderEntry type="module" module-name="jetCheck" exported="" scope="TEST" />
   </component>
 </module>
\ No newline at end of file
diff --git a/platform/testFramework/testSrc/com/intellij/testFramework/propertyBased/MadTestingUtil.java b/platform/testFramework/testSrc/com/intellij/testFramework/propertyBased/MadTestingUtil.java
index fa8d94c75d9d..1ec35942ea64 100644
--- a/platform/testFramework/testSrc/com/intellij/testFramework/propertyBased/MadTestingUtil.java
+++ b/platform/testFramework/testSrc/com/intellij/testFramework/propertyBased/MadTestingUtil.java
@@ -155,7 +155,7 @@ public class MadTestingUtil {
   }
 
   /**
-   * Finds files under {@code rootPath} (e.g. test data root) satisfying {@code fileFilter condition} (e.g. correct extension) and uses {@code actions} to generate actions those files (e.g. invoke compleiton/intentions or random editing).
+   * Finds files under {@code rootPath} (e.g. test data root) satisfying {@code fileFilter condition} (e.g. correct extension) and uses {@code actions} to generate actions those files (e.g. invoke completion/intentions or random editing).
    * Almost: the files with same paths and contents are created inside the test project, then the actions are executed on them.
    * Note that the test project contains only one file at each moment, so it's best to test actions that don't require much environment. 
    * @return
@@ -182,10 +182,12 @@ public class MadTestingUtil {
       PsiDocumentManager.getInstance(fixture.getProject()).commitAllDocuments();
       PsiFile file = PsiManager.getInstance(fixture.getProject()).findFile(vFile);
       if (file instanceof PsiBinaryFile || file instanceof PsiPlainTextFile) {
-        return Generator.constant(null);
+        // no operations, but the just created file needs to be deleted (in FileWithActions#runActions)
+        // todo a side-effect-free generator
+        return Generator.constant(new FileWithActions(file, Collections.emptyList()));
       }
       return Generator.nonEmptyLists(actions.apply(file)).map(a -> new FileWithActions(file, a));
-    }).suchThat(Objects::nonNull);
+    });
   }
 
   private static boolean shouldGoInsiderDir(@NotNull String name) {
@@ -206,9 +208,8 @@ public class MadTestingUtil {
 
   @NotNull
   private static VirtualFile copyFileToProject(File ioFile, CodeInsightTestFixture fixture, String rootPath) {
-    //todo strip test data markup
     try {
-      String path = FileUtil.getRelativePath(rootPath, ioFile.getPath(), '/');
+      String path = FileUtil.getRelativePath(FileUtil.toCanonicalPath(rootPath), ioFile.getPath(), '/');
       assert path != null;
       VirtualFile existing = fixture.findFileInTempDir(path);
       if (existing != null) {