chore: try to fix flipt provider test

Signed-off-by: Mark Phelps <[email protected]>

Author: markphelps

providers/flipt/src/test/java/dev/openfeature/contrib/providers/flipt/FliptProviderTest.java

@@ -57,7 +57,7 @@ class FliptProviderTest {
 
     @BeforeAll
     void setUp(WireMockRuntimeInfo wmRuntimeInfo) {
-        apiUrl = "http://localhost:" + wmRuntimeInfo.getHttpPort() + "/";
+        apiUrl = "http://localhost:" + wmRuntimeInfo.getHttpPort(); 
         fliptProvider = buildFliptProvider();
         OpenFeatureAPI.getInstance().setProviderAndWait("sync", fliptProvider);
         client = OpenFeatureAPI.getInstance().getClient("sync");