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/stepInto/samAdapter.out

@@ -1,15 +1,15 @@
-LineBreakpoint created at samAdapter.kt:5
+LineBreakpoint created at samAdapter.kt:6
 Run Java
 Connected to the target VM
-samAdapter.kt:5
-samAdapter.kt:6
-samAdapter.kt:10
-MyJavaClass.java:21
-samAdapter.kt:6
-MyJavaClass.java:21
-samAdapter.kt:10
 samAdapter.kt:6
 samAdapter.kt:7
+samAdapter.kt:11
+MyJavaClass.java:8
+samAdapter.kt:7
+MyJavaClass.java:8
+samAdapter.kt:11
+samAdapter.kt:7
+samAdapter.kt:8
 Disconnected from the target VM
 
 Process finished with exit code 0