Refactor debugger tests

1. Move tests to their own module
2. Avoid sharing the 'tinyApp' project between tests
3. Clean up option directive handling

idea/jvm-debugger/jvm-debugger-test/testData/evaluation/singleBreakpoint/fileWithError.kt

@@ -1,3 +1,4 @@
+// FILE: fileWithError.kt
 package fileWithError
 
 fun main(args: Array<String>) {
@@ -8,4 +9,17 @@ fun main(args: Array<String>) {
 // ADDITIONAL_BREAKPOINT: fileWithInternal.kt:Breakpoint
 
 // EXPRESSION: 1
-// RESULT: 1: I
+// RESULT: 1: I
+
+// FILE: lib/fileWithInternal.kt
+package fileWithInternal
+
+fun test() {
+    // Breakpoint
+    val a = fileWithInternal2.MyInternal()
+}
+
+// FILE: lib/fileWithInternal2.kt
+package fileWithInternal2
+
+internal class MyInternal