Enable previously @disabled tests: contextBound and namedGivenSpaceBeforeColon; preserve space before colon in given declarations; all 422 tests pass, 0 skipped

Author: jkschneider

rewrite-scala/src/main/java/org/openrewrite/scala/ScalaPrinter.java

@@ -979,8 +979,12 @@ public J visitVariable(J.VariableDeclarations.NamedVariable variable, PrintOutpu
         // In Scala, type annotation comes after the name
         J.VariableDeclarations parent = getCursor().getParentOrThrow().getValue();
         if (parent.getTypeExpression() != null) {
+            // Print space before colon if present (e.g., `given IntSchema : SchemaFor[Int]`)
+            // Stored in varargs field (repurposed, unused in Scala)
+            if (parent.getVarargs() != null) {
+                visitSpace(parent.getVarargs(), Space.Location.VARARGS, p);
+            }
             p.append(":");
-            // The type expression should have the space after colon in its prefix
             visit(parent.getTypeExpression(), p);
 
             // If there's an initializer, use visitLeftPadded to handle it properly

rewrite-scala/src/main/scala/org/openrewrite/scala/internal/ScalaTreeVisitor.scala

@@ -2645,15 +2645,17 @@ class ScalaTreeVisitor(
     // Create the variable declarations
     // In Scala, we need to put the type expression in the overall declaration
     // even though it's syntactically attached to each variable
+    // Use the varargs field (unused in Scala) to store space before colon
+    val varargs: Space = if (beforeColon != Space.EMPTY) beforeColon else null
     new J.VariableDeclarations(
       Tree.randomId(),
       prefix,
       Markers.EMPTY,
-      leadingAnnotations, // Pass the annotations we collected
+      leadingAnnotations,
       modifiers,
-      typeExpression, // Store type here for now
-      null, // varargs
-      Collections.emptyList(), // dimensionsBeforeName
+      typeExpression,
+      varargs, // Space before colon (repurposed from Java varargs)
+      Collections.emptyList(),
       Collections.singletonList(declarator)
     )
   }

rewrite-scala/src/test/java/org/openrewrite/scala/Scala2CompatTest.java

@@ -447,7 +447,6 @@ class Wrapper[T]
         );
     }
 
-    @org.junit.jupiter.api.Disabled("Context bounds should desugar to implicit params — not yet implemented")
     @Test
     void contextBound() {
         rewriteRun(
@@ -811,7 +810,6 @@ void namedGiven() {
         );
     }
 
-    @org.junit.jupiter.api.Disabled("Space before : in type annotation not yet preserved")
     @Test
     void namedGivenSpaceBeforeColon() {
         rewriteRun(