PR#32 Fix lint issues, remove Jake's IdlingResources, since it won't be updated anymore

app/src/sharedTest/java/org/fnives/test/showcase/testutils/idling/OkHttp3IdlingResource.kt

@@ -0,0 +1,46 @@
+package org.fnives.test.showcase.testutils.idling
+
+import androidx.annotation.CheckResult
+import androidx.annotation.NonNull
+import androidx.test.espresso.IdlingResource
+import okhttp3.Dispatcher
+import okhttp3.OkHttpClient
+
+/**
+ * AndroidX version of Jake Wharton's OkHttp3IdlingResource.
+ *
+ * Reference: https://github.com/JakeWharton/okhttp-idling-resource/blob/master/src/main/java/com/jakewharton/espresso/OkHttp3IdlingResource.java
+ */
+class OkHttp3IdlingResource private constructor(
+    private val name: String,
+    private val dispatcher: Dispatcher
+) : IdlingResource {
+    @Volatile
+    var callback: IdlingResource.ResourceCallback? = null
+
+    init {
+        dispatcher.idleCallback = Runnable { callback?.onTransitionToIdle() }
+    }
+
+    override fun getName(): String = name
+
+    override fun isIdleNow(): Boolean = dispatcher.runningCallsCount() == 0
+
+    override fun registerIdleTransitionCallback(callback: IdlingResource.ResourceCallback?) {
+        this.callback = callback
+    }
+
+    companion object {
+        /**
+         * Create a new [IdlingResource] from `client` as `name`. You must register
+         * this instance using `Espresso.registerIdlingResources`.
+         */
+        @CheckResult
+        @NonNull // Extra guards as a library.
+        fun create(@NonNull name: String?, @NonNull client: OkHttpClient?): OkHttp3IdlingResource {
+            if (name == null) throw NullPointerException("name == null")
+            if (client == null) throw NullPointerException("client == null")
+            return OkHttp3IdlingResource(name, client.dispatcher)
+        }
+    }
+}

app/src/sharedTestHilt/java/org/fnives/test/showcase/testutils/idling/NetworkSynchronization.kt

@@ -2,7 +2,6 @@ package org.fnives.test.showcase.testutils.idling
 
 import androidx.annotation.CheckResult
 import androidx.test.espresso.IdlingResource
-import com.jakewharton.espresso.OkHttp3IdlingResource
 import okhttp3.OkHttpClient
 import org.fnives.test.showcase.hilt.SessionLessQualifier
 import org.fnives.test.showcase.hilt.SessionQualifier

app/src/sharedTestKoin/java/org/fnives/test/showcase/testutils/idling/NetworkSynchronization.kt

@@ -2,7 +2,6 @@ package org.fnives.test.showcase.testutils.idling
 
 import androidx.annotation.CheckResult
 import androidx.test.espresso.IdlingResource
-import com.jakewharton.espresso.OkHttp3IdlingResource
 import okhttp3.OkHttpClient
 import org.koin.core.qualifier.StringQualifier
 import org.koin.test.KoinTest