test/e2e: eliminate last data race

On-behalf-of: SAP <[email protected]>
Signed-off-by: Marvin Beckers <[email protected]>

Author: embik

test/e2e/initializingworkspaces_test.go

@@ -211,17 +211,23 @@ var _ = Describe("InitializingWorkspaces Provider", Ordered, func() {
 			})
 		})
 		It("engages both Logical Clusters with initializers", func() {
+			list := func() []string {
+				lock.RLock()
+				defer lock.RUnlock()
+				return engaged.List()
+			}
+
 			envtest.Eventually(GinkgoT(), func() (bool, string) {
 				lock.RLock()
 				defer lock.RUnlock()
 				return engaged.Has(ws1.Spec.Cluster), fmt.Sprintf("failed to see workspace %q engaged as a cluster: %v", ws1.Spec.Cluster, engaged.List())
-			}, wait.ForeverTestTimeout, time.Millisecond*100, "failed to see workspace %q engaged as a cluster: %v", ws1.Spec.Cluster, engaged.List())
+			}, wait.ForeverTestTimeout, time.Millisecond*100, "failed to see workspace %q engaged as a cluster: %v", ws1.Spec.Cluster, list())
 
 			envtest.Eventually(GinkgoT(), func() (bool, string) {
 				lock.RLock()
 				defer lock.RUnlock()
 				return engaged.Has(ws2.Spec.Cluster), fmt.Sprintf("failed to see workspace %q engaged as a cluster: %v", ws2.Spec.Cluster, engaged.List())
-			}, wait.ForeverTestTimeout, time.Millisecond*100, "failed to see workspace %q engaged as a cluster: %v", ws2.Spec.Cluster, engaged.List())
+			}, wait.ForeverTestTimeout, time.Millisecond*100, "failed to see workspace %q engaged as a cluster: %v", ws2.Spec.Cluster, list())
 		})
 
 		It("removes initializers from the both clusters after engaging", func() {