Chore: Moved riseup vpn to experimental suite and correct tests (#625)

## Proposed Changes

  - Move riseupvpn to experimental suite
  - Correct tests appropriately.
  
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![Screenshot_20231124_201232](https://github.com/ooni/probe-android/assets/17911892/8cd73191-d1b3-444f-b44e-b59e3847f1e3)
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![Screenshot_20231124_201328](https://github.com/ooni/probe-android/assets/17911892/1a259298-d6bc-46e1-87be-fb24dedeb220)|

app/src/main/java/org/openobservatory/ooniprobe/activity/OverviewActivity.java

@@ -59,6 +59,7 @@ public static Intent newIntent(Context context, AbstractSuite testSuite) {
 			String experimentalLinks =
 					"\n\n* [STUN Reachability](https://github.com/ooni/spec/blob/master/nettests/ts-025-stun-reachability.md)" +
 					"\n\n* [DNS Check](https://github.com/ooni/spec/blob/master/nettests/ts-028-dnscheck.md)" +
+					"\n\n* [RiseupVPN](https://ooni.org/nettest/riseupvpn/)" +
 					"\n\n* [ECH Check](https://github.com/ooni/spec/blob/master/nettests/ts-039-echcheck.md)" +
 					"\n\n* [Tor Snowflake](https://ooni.org/nettest/tor-snowflake/) "+ String.format(" ( %s )",getString(R.string.Settings_TestOptions_LongRunningTest))+
 					"\n\n* [Vanilla Tor](https://github.com/ooni/spec/blob/master/nettests/ts-016-vanilla-tor.md) " + String.format(" ( %s )",getString(R.string.Settings_TestOptions_LongRunningTest));

app/src/main/java/org/openobservatory/ooniprobe/test/suite/ExperimentalSuite.java

@@ -42,6 +42,7 @@ public AbstractTest[] getTestList(@Nullable PreferenceManager pm) {
             if (pm == null || pm.isExperimentalOn()){
                 list.add(new Experimental("stunreachability"));
                 list.add(new Experimental("dnscheck"));
+                list.add(new Experimental("riseupvpn"));
                 list.add(new Experimental("echcheck"));
 				if ((pm == null || pm.isLongRunningTestsInForeground()) || getAutoRun()){
 					list.add(new Experimental("torsf"));

app/src/main/java/org/openobservatory/ooniprobe/test/test/RiseupVPN.java

@@ -17,28 +17,38 @@
 import org.openobservatory.ooniprobe.model.jsonresult.JsonResult;
 import org.openobservatory.ooniprobe.model.settings.Settings;
 
+/**
+ * Represents the RiseupVPN test.
+ *
+ * @deprecated This test has been demoted to experimental in <a href="https://github.com/ooni/probe-android/pull/632">Chore: Moved riseup vpn to experimental suite and correct tests</a>.
+ * This test has been moved to experimental because it causes too many false positive.
+ */
 public class RiseupVPN extends AbstractTest {
     public static final String NAME = "riseupvpn";
 
     public RiseupVPN() {
-        super(NAME, R.string.Test_RiseupVPN_Fullname, R.drawable.test_riseupvpn, R.string.urlTestRvpn, 15);
+        // NOTE: this test has been demoted to experimental (see https://github.com/ooni/probe-android/pull/632)
+        // and such the icon resource `R.drawable.test_riseupvpn` is not displayed anymore.
+        super(NAME, R.string.Test_Experimental_Fullname, 0, R.string.urlTestRvpn, 15);
     }
 
-    @Override public void run(Context c, PreferenceManager pm, AppLogger logger, Gson gson, Result result, int index, AbstractTest.TestCallback testCallback) {
+    @Override
+    public void run(Context c, PreferenceManager pm, AppLogger logger, Gson gson, Result result, int index, AbstractTest.TestCallback testCallback) {
         Settings settings = new Settings(c, pm, isAutoRun());
-        run(c, pm,logger, gson, settings, result, index, testCallback);
+        run(c, pm, logger, gson, settings, result, index, testCallback);
     }
 
-    @Override public void onEntry(Context c, PreferenceManager pm, @NonNull JsonResult json, Measurement measurement) {
+    @Override
+    public void onEntry(Context c, PreferenceManager pm, @NonNull JsonResult json, Measurement measurement) {
         super.onEntry(c, pm, json, measurement);
         //When json.test_keys.transport_status is null the test is failed so the result of is_anomaly doesn't matter.
         if (json.test_keys == null || json.test_keys.transport_status == null) {
             measurement.is_failed = true;
             return;
         }
         boolean isTransportBlocked = false;
-            isTransportBlocked = MapUtility.getOrDefaultCompat(json.test_keys.transport_status, "openvpn", "ok").equals(BLOCKED) ||
-                    MapUtility.getOrDefaultCompat(json.test_keys.transport_status, "obfs4", "ok").equals(BLOCKED);
+        isTransportBlocked = MapUtility.getOrDefaultCompat(json.test_keys.transport_status, "openvpn", "ok").equals(BLOCKED) ||
+                MapUtility.getOrDefaultCompat(json.test_keys.transport_status, "obfs4", "ok").equals(BLOCKED);
         measurement.is_anomaly = !json.test_keys.ca_cert_status || json.test_keys.api_failure != null || isTransportBlocked;
     }
 

app/src/test/java/org/openobservatory/ooniprobe/test/suite/ExperimentalSuiteTest.java

@@ -34,13 +34,15 @@ public void getTestList_experimental_on() {
 
         List<AbstractTest> tests = Arrays.asList(suite.getTestList(pm));
 
-        assertEquals(3, tests.size());
+        assertEquals(4, tests.size());
         assertEquals(Experimental.class, tests.get(0).getClass());
         assertEquals(Experimental.class, tests.get(1).getClass());
         assertEquals(Experimental.class, tests.get(2).getClass());
+        assertEquals(Experimental.class, tests.get(3).getClass());
         assertEquals("stunreachability", tests.get(0).getName());
         assertEquals("dnscheck", tests.get(1).getName());
-        assertEquals("echcheck", tests.get(2).getName());
+        assertEquals("riseupvpn", tests.get(2).getName());
+        assertEquals("echcheck", tests.get(3).getName());
     }
 
     @Test
@@ -50,17 +52,19 @@ public void getTestList_experimental_on_autorun_on() {
 
         List<AbstractTest> tests = Arrays.asList(autoRunSuite.getTestList(pm));
 
-        assertEquals(5, tests.size());
+        assertEquals(6, tests.size());
         assertEquals(Experimental.class, tests.get(0).getClass());
         assertEquals(Experimental.class, tests.get(1).getClass());
         assertEquals(Experimental.class, tests.get(2).getClass());
         assertEquals(Experimental.class, tests.get(3).getClass());
         assertEquals(Experimental.class, tests.get(4).getClass());
+        assertEquals(Experimental.class, tests.get(5).getClass());
 
         assertEquals("stunreachability", tests.get(0).getName());
         assertEquals("dnscheck", tests.get(1).getName());
-        assertEquals("echcheck", tests.get(2).getName());
-        assertEquals("torsf", tests.get(3).getName());
-        assertEquals("vanilla_tor", tests.get(4).getName());
+        assertEquals("riseupvpn", tests.get(2).getName());
+        assertEquals("echcheck", tests.get(3).getName());
+        assertEquals("torsf", tests.get(4).getName());
+        assertEquals("vanilla_tor", tests.get(5).getName());
     }
 }