fix #1139 CI build

- fix NPEs in TrackPointCreator.fill()
- fix locale dependant tests
- wait for UI components
- extract utility functions into EspressoUtils

src/androidTest/java/de/dennisguse/opentracks/ui/aggregatedStatistics/EspressoAggregatedFilterTest.java

@@ -9,6 +9,7 @@ import static androidx.test.espresso.matcher.ViewMatchers.withId;
 import static androidx.test.espresso.matcher.ViewMatchers.withParent;
 import static androidx.test.espresso.matcher.ViewMatchers.withText;
 import static org.hamcrest.Matchers.allOf;
+import static de.dennisguse.opentracks.util.EspressoUtils.waitFor;
 
 import android.util.Pair;
 import android.view.View;
@@ -73,7 +74,7 @@ public class EspressoAggregatedFilterTest {
                         withParent(allOf(withId(R.id.filter_items),
                                 withParent(IsInstanceOf.<View>instanceOf(android.view.ViewGroup.class)))),
                         isDisplayed()));
-        checkBox.check(matches(isDisplayed()));
+        checkBox.perform(waitFor(2000));
 
         // check there's an edit text for "from date"
         onView(withId(R.id.filter_date_edit_text_from)).check(matches(isDisplayed()));
@@ -81,4 +82,5 @@ public class EspressoAggregatedFilterTest {
         // check there's an edit text for "to date"
         onView(withId(R.id.filter_date_edit_text_to)).check(matches(isDisplayed()));
     }
+
 }

src/androidTest/java/de/dennisguse/opentracks/ui/customRecordingLayout/EspressoCustomLayoutTest.java

@@ -4,31 +4,22 @@ package de.dennisguse.opentracks.ui.customRecordingLayout;
 import static androidx.test.espresso.Espresso.onView;
 import static androidx.test.espresso.action.ViewActions.click;
 import static androidx.test.espresso.matcher.ViewMatchers.assertThat;
-import static androidx.test.espresso.matcher.ViewMatchers.isDisplayed;
 import static androidx.test.espresso.matcher.ViewMatchers.withId;
 import static org.hamcrest.CoreMatchers.is;
+import static de.dennisguse.opentracks.util.EspressoUtils.veryLongTouch;
 
-import android.view.MotionEvent;
 import android.view.View;
-import android.view.ViewGroup;
-import android.view.ViewParent;
 
 import androidx.recyclerview.widget.RecyclerView;
 import androidx.test.espresso.NoMatchingViewException;
-import androidx.test.espresso.UiController;
-import androidx.test.espresso.ViewAction;
 import androidx.test.espresso.ViewAssertion;
 import androidx.test.espresso.ViewInteraction;
-import androidx.test.espresso.action.MotionEvents;
 import androidx.test.espresso.matcher.ViewMatchers;
 import androidx.test.ext.junit.rules.ActivityScenarioRule;
 import androidx.test.ext.junit.runners.AndroidJUnit4;
 import androidx.test.filters.LargeTest;
 import androidx.test.rule.GrantPermissionRule;
 
-import org.hamcrest.Description;
-import org.hamcrest.Matcher;
-import org.hamcrest.TypeSafeMatcher;
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -82,51 +73,4 @@ public class EspressoCustomLayoutTest {
         }
     }
 
-    private static Matcher<View> childAtPosition(
-            final Matcher<View> parentMatcher, final int position) {
-
-        return new TypeSafeMatcher<>() {
-            @Override
-            public void describeTo(Description description) {
-                description.appendText("Child at position " + position + " in parent ");
-                parentMatcher.describeTo(description);
-            }
-
-            @Override
-            public boolean matchesSafely(View view) {
-                ViewParent parent = view.getParent();
-                return parent instanceof ViewGroup && parentMatcher.matches(parent)
-                        && view.equals(((ViewGroup) parent).getChildAt(position));
-            }
-        };
-    }
-
-    private static ViewAction veryLongTouch(final int duration_ms) {
-        return new ViewAction() {
-            @Override
-            public String getDescription() {
-                return "Perform long touch.";
-            }
-
-            @Override
-            public Matcher<View> getConstraints() {
-                return isDisplayed();
-            }
-
-            @Override
-            public void perform(UiController uiController, final View view) {
-                // Get view absolute position
-                int[] location = new int[2];
-                view.getLocationOnScreen(location);
-
-                // Offset coordinates by view position
-                float[] coordinates = new float[]{location[0] + 1, location[1] + 1};
-
-                // Send down event, pause, and send up
-                MotionEvent down = MotionEvents.sendDown(uiController, coordinates, new float[]{1f, 1f}).down;
-                uiController.loopMainThreadForAtLeast(duration_ms);
-                MotionEvents.sendUp(uiController, down, coordinates);
-            }
-        };
-    }
 }