diff --git a/test/compiler/whitebox/CompilerWhiteBoxTest.java b/test/compiler/whitebox/CompilerWhiteBoxTest.java
index 7cc9365b32d122c359bac6069efa511369dd1a6b..5ca2bb5c04099da4a3c94e9a66ddc979280f11d1 100644
--- a/test/compiler/whitebox/CompilerWhiteBoxTest.java
+++ b/test/compiler/whitebox/CompilerWhiteBoxTest.java
@@ -206,7 +206,6 @@ public abstract class CompilerWhiteBoxTest {
      *                          is compiled, or if {@linkplain #method} has zero
      *                          compilation level.
      */
-
     protected final void checkNotCompiled(int compLevel) {
         if (WHITE_BOX.isMethodQueuedForCompilation(method)) {
             throw new RuntimeException(method + " must not be in queue");
@@ -227,24 +226,30 @@ public abstract class CompilerWhiteBoxTest {
      *                          compilation level.
      */
     protected final void checkNotCompiled() {
-        if (WHITE_BOX.isMethodCompiled(method, false)) {
-            throw new RuntimeException(method + " must be not compiled");
-        }
-        if (WHITE_BOX.getMethodCompilationLevel(method, false) != 0) {
-            throw new RuntimeException(method + " comp_level must be == 0");
-        }
-        checkNotOsrCompiled();
+        checkNotCompiled(true);
+        checkNotCompiled(false);
     }
 
-    protected final void checkNotOsrCompiled() {
+    /**
+     * Checks, that {@linkplain #method} is not (OSR-)compiled.
+     *
+     * @param isOsr Check for OSR compilation if true
+     * @throws RuntimeException if {@linkplain #method} is in compiler queue or
+     *                          is compiled, or if {@linkplain #method} has zero
+     *                          compilation level.
+     */
+    protected final void checkNotCompiled(boolean isOsr) {
+        waitBackgroundCompilation();
         if (WHITE_BOX.isMethodQueuedForCompilation(method)) {
             throw new RuntimeException(method + " must not be in queue");
         }
-        if (WHITE_BOX.isMethodCompiled(method, true)) {
-            throw new RuntimeException(method + " must be not osr_compiled");
+        if (WHITE_BOX.isMethodCompiled(method, isOsr)) {
+            throw new RuntimeException(method + " must not be " +
+                                       (isOsr ? "osr_" : "") + "compiled");
         }
-        if (WHITE_BOX.getMethodCompilationLevel(method, true) != 0) {
-            throw new RuntimeException(method + " osr_comp_level must be == 0");
+        if (WHITE_BOX.getMethodCompilationLevel(method, isOsr) != 0) {
+            throw new RuntimeException(method + (isOsr ? " osr_" : " ") +
+                                       "comp_level must be == 0");
         }
     }
 
diff --git a/test/compiler/whitebox/MakeMethodNotCompilableTest.java b/test/compiler/whitebox/MakeMethodNotCompilableTest.java
index 6a7ff9bf482d9274c996e10d8ccb1da88aa7f94f..41b5daceacc6dab96513a6fda3b061d58e34c55c 100644
--- a/test/compiler/whitebox/MakeMethodNotCompilableTest.java
+++ b/test/compiler/whitebox/MakeMethodNotCompilableTest.java
@@ -131,14 +131,15 @@ public class MakeMethodNotCompilableTest extends CompilerWhiteBoxTest {
             throw new RuntimeException(method
                     + " is not compilable after clearMethodState()");
         }
-
+        // Make method not (OSR-)compilable (depending on testCase.isOsr())
         makeNotCompilable();
         if (isCompilable()) {
             throw new RuntimeException(method + " must be not compilable");
         }
-
+        // Try to (OSR-)compile method
         compile();
-        checkNotOsrCompiled();
+        // Method should not be (OSR-)compiled
+        checkNotCompiled(testCase.isOsr());
         if (isCompilable()) {
             throw new RuntimeException(method + " must be not compilable");
         }