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/javaContext/jcSimple.kt

@@ -1,3 +1,4 @@
+// FILE: jcSimple.kt
 package jcSimple
 
 fun main(args: Array<String>) {
@@ -9,4 +10,13 @@ fun main(args: Array<String>) {
 // STEP_INTO: 1
 
 // EXPRESSION: 1 + 1
-// RESULT: 2: I
+// RESULT: 2: I
+
+// FILE: forTests/javaContext/JavaClass.java
+package forTests.javaContext;
+
+public class JavaClass {
+    public void simple() {
+        int breakpoint = 1;
+    }
+}