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/stepping/stepOver/inlineInClassDex.kt

@@ -1,7 +1,23 @@
+// FILE: inlineInClassDex.kt
+// EMULATE_DEX: true
+
 package inlineInClassDex
 
 fun main(args: Array<String>) {
     inlineInClassDex.other.TestDexInlineInClass().inlineFun()
 }
 
-// ADDITIONAL_BREAKPOINT: inlineInClassDex.Other.kt: Breakpoint 1
+// ADDITIONAL_BREAKPOINT: inlineInClassDex.Other.kt: Breakpoint 1
+
+// FILE: inlineInClassDex.Other.kt
+package inlineInClassDex.other
+
+class TestDexInlineInClass {
+    inline fun inlineFun() {
+        // Breakpoint 1
+        some()
+        some()
+    }
+
+    fun some() {}
+}