Add test for dialog fragment

collect_app/src/test/java/org/odk/collect/android/formentry/FormLoadingDialogFragmentTest.java

@@ -0,0 +1,34 @@
+package org.odk.collect.android.formentry;
+
+import androidx.fragment.app.FragmentActivity;
+import androidx.fragment.app.FragmentManager;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.robolectric.Robolectric;
+import org.robolectric.RobolectricTestRunner;
+
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.equalTo;
+import static org.robolectric.Shadows.shadowOf;
+
+@RunWith(RobolectricTestRunner.class)
+public class FormLoadingDialogFragmentTest {
+
+    private FragmentManager fragmentManager;
+
+    @Before
+    public void setup() {
+        FragmentActivity activity = Robolectric.setupActivity(FragmentActivity.class);
+        fragmentManager = activity.getSupportFragmentManager();
+    }
+
+    @Test
+    public void dialogIsNotCancellable() {
+        FormLoadingDialogFragment fragment = new FormLoadingDialogFragment();
+        fragment.show(fragmentManager, "TAG");
+
+        assertThat(shadowOf(fragment.getDialog()).isCancelable(), equalTo(false));
+    }
+}