Add test for KT-21710 (gutters inside library sources)

generators/tests/org/jetbrains/kotlin/generators/tests/GenerateTests.kt

@@ -551,6 +551,10 @@ fun main(args: Array<String>) {
             model("codeInsight/lineMarker")
         }
 
+        testClass<AbstractLineMarkersTestInLibrarySources> {
+            model("codeInsightInLibrary/lineMarker", testMethod = "doTestWithLibrary")
+        }
+
         testClass<AbstractMultiModuleLineMarkerTest> {
             model("multiModuleLineMarker", extension = null, recursive = false)
         }

generators/tests/org/jetbrains/kotlin/generators/tests/GenerateTests.kt.172

@@ -549,6 +549,10 @@ fun main(args: Array<String>) {
             model("codeInsight/lineMarker")
         }
 
+        testClass<AbstractLineMarkersTestInLibrarySources> {
+            model("codeInsightInLibrary/lineMarker", testMethod = "doTestWithLibrary")
+        }
+
         testClass<AbstractMultiModuleLineMarkerTest> {
             model("multiModuleLineMarker", extension = null, recursive = false)
         }

generators/tests/org/jetbrains/kotlin/generators/tests/GenerateTests.kt.as31

@@ -547,6 +547,10 @@ fun main(args: Array<String>) {
             model("codeInsight/lineMarker")
         }
 
+        testClass<AbstractLineMarkersTestInLibrarySources> {
+            model("codeInsightInLibrary/lineMarker", testMethod = "doTestWithLibrary")
+        }
+
         testClass<AbstractMultiModuleLineMarkerTest> {
             model("multiModuleLineMarker", extension = null, recursive = false)
         }

generators/tests/org/jetbrains/kotlin/generators/tests/GenerateTests.kt.as32

@@ -547,6 +547,10 @@ fun main(args: Array<String>) {
             model("codeInsight/lineMarker")
         }
 
+        testClass<AbstractLineMarkersTestInLibrarySources> {
+            model("codeInsightInLibrary/lineMarker", testMethod = "doTestWithLibrary")
+        }
+
         testClass<AbstractMultiModuleLineMarkerTest> {
             model("multiModuleLineMarker", extension = null, recursive = false)
         }