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/javaStaticMethods.kt

@@ -1,3 +1,4 @@
+// FILE: javaStaticMethods.kt
 package javaStaticMethods
 
 import forTests.javaContext.JavaClass.JavaStatic
@@ -9,3 +10,12 @@ fun main() {
 
 // EXPRESSION: JavaStatic.state()
 // RESULT: 1: I
+
+// FILE: forTests/javaContext/JavaClass.java
+package forTests.javaContext;
+
+public class JavaClass {
+    public interface JavaStatic {
+        static int state() { return 1; }
+    }
+}