Now skips session tests if version is >= 10.2

Author: gmessner

src/test/java/org/gitlab4j/api/TestGitLabSession.java

@@ -5,6 +5,7 @@
 import static org.junit.Assume.assumeTrue;
 
 import org.gitlab4j.api.GitLabApi.ApiVersion;
+import org.gitlab4j.api.models.Version;
 import org.junit.Before;
 import org.junit.BeforeClass;
 import org.junit.Test;
@@ -60,6 +61,27 @@ public static void setup() {
             problems += "TEST_PRIVATE_TOKEN cannot be empty\n";
         }
 
+        if (problems.isEmpty()) {
+            String savedVersion = null;
+            try {
+                GitLabApi gitLabApi = new GitLabApi(ApiVersion.V4, TEST_HOST_URL, TEST_PRIVATE_TOKEN);
+                Version version = gitLabApi.getVersion();
+                savedVersion = version.getVersion();
+                String[] parts = version.getVersion().split(".", -1);
+                if (parts.length == 3) {
+                    if (Integer.parseInt(parts[0]) < 10 || 
+                            (Integer.parseInt(parts[0]) == 10 && Integer.parseInt(parts[1]) < 2)) {
+                        savedVersion = null;
+                    }
+                }
+            } catch (Exception e) {                
+            }
+            
+            if (savedVersion != null) {
+                problems += "GitLab version " + savedVersion + " does not support sessions\n";
+            }
+        }
+
         if (!problems.isEmpty()) {
             System.err.print(problems);
         }