[ADD] Location Tests + ID at every XML file

app/src/androidTest/java/com/a1/nextlocation/LocationFragmentTest.java

@@ -0,0 +1,41 @@
+package com.a1.nextlocation;
+
+import androidx.test.espresso.contrib.RecyclerViewActions;
+import androidx.test.rule.ActivityTestRule;
+
+import com.a1.nextlocation.fragments.LocationFragment;
+
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import javax.inject.Inject;
+
+import static androidx.test.espresso.Espresso.*;
+import static androidx.test.espresso.action.ViewActions.*;
+import static androidx.test.espresso.assertion.ViewAssertions.*;
+import static androidx.test.espresso.matcher.ViewMatchers.*;
+
+
+public class LocationFragmentTest {
+
+    @Rule
+    public ActivityTestRule<MainActivity> mActivityTestRule = new ActivityTestRule<>(MainActivity.class);
+
+    @Test
+    public void clickBackButton() throws Exception{
+        mActivityTestRule.getActivity().getSupportFragmentManager().beginTransaction().replace(R.id.mainActivity, new LocationFragment()).commit();
+        onView(withId(R.id.locationBackButton)).perform(click());
+        onView(withId(R.id.homeFragment)).check(matches(isDisplayed()));
+
+    }
+
+    @Test
+    public void clickDetailButton() throws Exception{
+        mActivityTestRule.getActivity().getSupportFragmentManager().beginTransaction().replace(R.id.mainActivity, new LocationFragment()).commit();
+        onView(withId(R.id.locationRecyclerView)).perform(RecyclerViewActions.actionOnItemAtPosition(1, click()));
+        onView(withId(R.id.locationDetailFragment)).check(matches(isDisplayed()));
+
+    }
+
+}