remove vmlens from gitignore, add failing test to check if vmlens still works

Signed-off-by: christian.lutnik <[email protected]>

Author: chrfwow

.gitignore

@@ -13,6 +13,3 @@ target
 
 # used for spec compliance tooling
 java-report.json
-
-# vmlens stuff
-/vmlens-agent/vmlens/

src/test/java/dev/openfeature/sdk/vmlens/VmLensTest.java

@@ -1,6 +1,7 @@
 package dev.openfeature.sdk.vmlens;
 
 import static org.assertj.core.api.Assertions.assertThat;
+import static org.hamcrest.MatcherAssert.assertThat;
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertTrue;
 
@@ -35,6 +36,16 @@ void tearDown() {
         api.shutdown();
     }
 
+    @Test
+    void fail() {
+        try (AllInterleavings allInterleavings =
+                new AllInterleavings("Concurrently setting the context and evaluating a flag")) {
+            while (allInterleavings.hasNext()) {
+                assertThat(false).isIn(true);
+            }
+        }
+    }
+
     @Test
     void concurrentClientCreations() {
         try (AllInterleavings allInterleavings = new AllInterleavings("Concurrent creations of the Client")) {