Split up tests for imports and imported methods

Co-authored-by: Rob Rix <[email protected]>

Author: rnkaufman

languages/tree-sitter-stack-graphs-java/test/imports_and_exports/import_method.java

@@ -4,8 +4,7 @@
 public class Importer {
   public static void main(String[] args) {
     Foo.bar();
- // ^ defined: 2,15
-     // ^ defined: 16
+     // ^ defined: 15
 
   }
 }

languages/tree-sitter-stack-graphs-java/test/imports_and_exports/imports.java

@@ -1,20 +1,13 @@
-/*--- path: a.java ---*/
-import foo.bar.Baz;
+/*--- path: Importer.java ---*/
+import foo.Foo;
 
 public class Importer {
-  public static void main(String[] args) {
-    Baz.some_method();
-  // ^ defined: 2
+  public static Foo main(String[] args) {
+              // ^ defined: 2, 12
   }
 }
 
+/* --- path: foo/Foo.java ---*/
 
-/* --- path: b.java ---*/
-
-import foo.bar.Baz;
-
-public class AnotherImporter {
-  public static void main(String[] args) {
-    Baz.some_method();
-  }
+public class Foo {
 }