diff --git a/java/java-tests/testSrc/com/intellij/psi/MiscPsiTest.java b/java/java-tests/testSrc/com/intellij/psi/MiscPsiTest.java
index c34996da669c..d9f367d85efe 100644
--- a/java/java-tests/testSrc/com/intellij/psi/MiscPsiTest.java
+++ b/java/java-tests/testSrc/com/intellij/psi/MiscPsiTest.java
@@ -50,12 +50,12 @@ public class MiscPsiTest extends LightCodeInsightFixtureTestCase {
     VirtualFile vDir = myFixture.getTempDirFixture().findOrCreateDir("dir");
 
     PsiDocumentManager.getInstance(getProject()).commitAllDocuments();
-    assertTrue(file instanceof PsiPlainTextFile);
+    assertInstanceOf(file, PsiPlainTextFile.class);
     PsiDirectory dir = getPsiManager().findDirectory(vDir);
     PsiFile fileCopy = (PsiFile)file.copy();
     fileCopy = (PsiFile) fileCopy.setName("NewTest.txt");
     PsiFile newFile = (PsiFile)dir.add(fileCopy);
-    assertTrue(newFile instanceof PsiPlainTextFile);
+    assertInstanceOf(newFile, PsiPlainTextFile.class);
 
     assertEquals(text, new String(newFile.getVirtualFile().contentsToByteArray()));
     assertEquals(newFile.getVirtualFile().getModificationStamp(), newFile.getViewProvider().getModificationStamp());
@@ -72,12 +72,13 @@ public class MiscPsiTest extends LightCodeInsightFixtureTestCase {
 
     PsiDocumentManager.getInstance(getProject()).commitAllDocuments();
     PsiFile file = getPsiManager().findFile(vFile);
-    assertTrue(file instanceof PsiBinaryFile);
+    assertInstanceOf(file, PsiBinaryFile.class);
     PsiDirectory dir = getPsiManager().findDirectory(vDir);
+
     PsiFile fileCopy = (PsiFile)file.copy();
     fileCopy = (PsiFile) fileCopy.setName("NewTest.xxx");
     PsiFile newFile = (PsiFile)dir.add(fileCopy);
-    assertTrue(newFile instanceof PsiBinaryFile);
+    assertInstanceOf(newFile, PsiBinaryFile.class);
 
     assertOrderedEquals(newFile.getVirtualFile().contentsToByteArray(), bytes);
   }
@@ -94,7 +95,7 @@ public class MiscPsiTest extends LightCodeInsightFixtureTestCase {
     PsiFile fileCopy = (PsiFile)file.copy();
     fileCopy = (PsiFile) fileCopy.setName("NewTest.txt");
     PsiFile newFile = (PsiFile)dir.add(fileCopy);
-    assertTrue(newFile instanceof PsiPlainTextFile);
+    assertInstanceOf(newFile, PsiPlainTextFile.class);
 
     assertEquals(text, VfsUtil.loadText(newFile.getVirtualFile()));
     assertEquals(newFile.getVirtualFile().getModificationStamp(), newFile.getViewProvider().getModificationStamp());