Add unit testing tips to readme

.gitignore

@@ -7,5 +7,6 @@
 build
 /captures
 node_modules
+kotlin-js-store
 .externalNativeBuild
 notes.txt

README.md

@@ -186,6 +186,31 @@ KmLogging.setLoggers(PlatformLogger(FixedLogLevel(BuildConfig.DEBUG)))
   reason so only a single boolean check will be done at runtime to minimize the overhead when
   running in production. The android sample app demonstrates this.
 
+## Use in unit testing
+
+* If you want log messages to show up while unit testing then in your test class you can set up a
+  logger that prints to the console using something like:
+
+```kotlin
+    @BeforeTest
+    fun setup() {
+        KmLogging.setLoggers(PrintLogger(FixedLogLevel(true)))
+    }
+```
+
+* On Android unit tests will complain about not supplying default values or not being mocked. You
+  will want to include the following:
+
+```kotlin
+android {
+    testOptions {
+        unitTests {
+            isReturnDefaultValues = true
+        }
+    }
+}
+```
+
 ## Logging to another system such as Crashlytics
 
 If logging is only desired at certain levels that can be setup. For example, if only the more

build.gradle.kts

@@ -1,3 +1,5 @@
+import org.jetbrains.kotlin.gradle.dsl.JvmTarget
+
 plugins {
     alias(libs.plugins.androidApplication) apply false
     alias(libs.plugins.androidLibrary) apply false
@@ -8,20 +10,16 @@ plugins {
 }
 
 allprojects {
-    repositories {
-        google()
-        mavenCentral()
-        mavenLocal()
-    }
-
     tasks.withType(JavaCompile::class.java).configureEach {
         sourceCompatibility = "11"
         targetCompatibility = "11"
     }
 
     tasks.withType(org.jetbrains.kotlin.gradle.tasks.KotlinCompile::class.java).configureEach {
-        kotlinOptions {
-            jvmTarget = "11"
+        compilerOptions {
+            compilerOptions {
+                jvmTarget.set(JvmTarget.JVM_11)
+            }
         }
     }
 }