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/stopInInlineUnderSamConversion.kt

@@ -1,3 +1,4 @@
+// FILE: stopInInlineUnderSamConversion.kt
 package stopInInlineUnderSamConversion
 
 import forTests.SamConversion
@@ -19,4 +20,17 @@ fun foo(a: Any) {}
 
 inline fun inlineCall(f: () -> Unit) {
     f()
+}
+
+// FILE: forTests/SamConversion.java
+package forTests;
+
+public class SamConversion {
+    public interface Runnable {
+        public abstract void run();
+    }
+
+    public static void doAction(Runnable runnable) {
+        runnable.run();
+    }
 }