Add test on expect class with test methods inside

^KT-34503 In Progress

(current behaviour is undesired, see next commit for fix)

idea/testData/gradle/testRunConfigurations/expectClassWithTests/build.gradle

@@ -0,0 +1,55 @@
+plugins {
+    id 'org.jetbrains.kotlin.multiplatform' version '1.3.61'
+}
+repositories {
+    mavenCentral()
+}
+group 'com.example'
+version '0.0.1'
+
+apply plugin: 'maven-publish'
+
+kotlin {
+    jvm()
+    js {
+        browser {
+        }
+        nodejs {
+        }
+    }
+
+    sourceSets {
+        commonMain {
+            dependencies {
+                implementation kotlin('stdlib-common')
+            }
+        }
+        commonTest {
+            dependencies {
+                implementation kotlin('test-common')
+                implementation kotlin('test-annotations-common')
+            }
+        }
+        jvmMain {
+            dependencies {
+                implementation kotlin('stdlib-jdk8')
+            }
+        }
+        jvmTest {
+            dependencies {
+                implementation kotlin('test')
+                implementation kotlin('test-junit')
+            }
+        }
+        jsMain {
+            dependencies {
+                implementation kotlin('stdlib-js')
+            }
+        }
+        jsTest {
+            dependencies {
+                implementation kotlin('test-js')
+            }
+        }
+    }
+}

idea/testData/gradle/testRunConfigurations/expectClassWithTests/gradle.properties

@@ -0,0 +1 @@
+kotlin.code.style=official

idea/testData/gradle/testRunConfigurations/expectClassWithTests/settings.gradle

@@ -0,0 +1,3 @@
+rootProject.name = 'mppLibrary'
+
+enableFeaturePreview('GRADLE_METADATA')

idea/testData/gradle/testRunConfigurations/expectClassWithTests/src/commonTest/kotlin/sample/SampleTests.kt

@@ -0,0 +1,9 @@
+package sample
+
+import kotlin.test.Test
+import kotlin.test.assertTrue
+
+expect class <lineMarker descr="Run Test" settings="Nothing here"><lineMarker descr="Has actuals in JS, JVM">SampleTests</lineMarker></lineMarker> {
+    @Test
+    fun <lineMarker descr="Run Test" settings="Nothing here"><lineMarker descr="Has actuals in JS, JVM">testMe</lineMarker></lineMarker>()
+}

idea/testData/gradle/testRunConfigurations/expectClassWithTests/src/jsTest/kotlin/sample/SampleTestsJS.kt

@@ -0,0 +1,11 @@
+package sample
+
+import kotlin.test.Test
+import kotlin.test.assertTrue
+
+// JS
+actual class <lineMarker descr="Run Test" settings=" cleanJsBrowserTest jsBrowserTest --tests \"sample.SampleTests\" cleanJsNodeTest jsNodeTest --tests \"sample.SampleTests\" --continue"><lineMarker descr="Has declaration in common module">SampleTests</lineMarker></lineMarker> {
+    @Test
+    actual fun <lineMarker descr="Run Test" settings=" cleanJsBrowserTest jsBrowserTest --tests \"sample.SampleTests.testMe\" cleanJsNodeTest jsNodeTest --tests \"sample.SampleTests.testMe\" --continue"><lineMarker descr="Has declaration in common module">testMe</lineMarker></lineMarker>() {
+    }
+}

idea/testData/gradle/testRunConfigurations/expectClassWithTests/src/jvmTest/kotlin/sample/SampleTestsJVM.kt

@@ -0,0 +1,11 @@
+package sample
+
+import kotlin.test.Test
+import kotlin.test.assertTrue
+
+// JVM
+actual class <lineMarker descr="Run Test" settings="cleanJvmTest jvmTest --tests \"sample.SampleTests\""><lineMarker descr="Has declaration in common module">SampleTests</lineMarker></lineMarker> {
+    @Test
+    actual fun <lineMarker descr="Run Test" settings="cleanJvmTest jvmTest --tests \"sample.SampleTests.testMe\""><lineMarker descr="Has declaration in common module">testMe</lineMarker></lineMarker>() {
+    }
+}