T: fix RsTrailingCommaFormatProcessorTest tests on 213

Author: Undin

src/main/kotlin/org/rust/ide/formatter/Util.kt

@@ -14,5 +14,4 @@ val CodeStyleSettings.rust: RsCodeStyleSettings
 
 object RustfmtTestmarks {
     val rustfmtUsed: Testmark = Testmark("rustfmtUsed")
-    val builtinPostProcess: Testmark = Testmark("builtinPostProcess")
 }

src/test/kotlin/org/rust/ide/formatter/RsTrailingCommaFormatProcessorTest.kt

@@ -6,7 +6,6 @@
 package org.rust.ide.formatter
 
 import org.intellij.lang.annotations.Language
-import org.rust.IgnoreInPlatform
 import org.rust.cargo.project.settings.rustSettings
 import org.rust.lang.core.psi.RsPsiFactory
 import org.rust.lang.core.psi.RsStructItem
@@ -131,7 +130,6 @@ class RsTrailingCommaFormatProcessorTest : RsFormatterTestBase() {
         }
     """)
 
-    @IgnoreInPlatform(212)
     fun `test trailing comma processor works when RustfmtExternalFormatProcessor is used`() {
         @Language("Rust")
         val before = """
@@ -170,8 +168,6 @@ class RsTrailingCommaFormatProcessorTest : RsFormatterTestBase() {
         // `Rustfmt` will not be used because of range restriction
         myTextRange = RsPsiFactory(project).createFile(before).descendantOfTypeStrict<RsStructItem>()!!.textRange
 
-        RustfmtTestmarks.builtinPostProcess.checkHit {
-            doTextTest(before, after)
-        }
+        doTextTest(before, after)
     }
 }