Prefer Kotlin Junit test run configurations when possible (KT-33787)

idea/testData/runConfigurations/junit/Simple/module/test/MyJavaTest.java

@@ -0,0 +1,11 @@
+import org.junit.Test;
+
+public class MyJavaTest {
+    @Test
+    public void testA() {
+    }
+
+    @Test
+    public void testB() {
+    }
+}