Fixed tests

Author: VitaliyBoyko

tests/com/magento/idea/magento2plugin/linemarker/LinemarkerFixtureTestCase.java

@@ -59,7 +59,6 @@ protected void assertHasNoLinemarkerWithTooltipAndIcon(
                 = "Failed that documents not contains linemarker with the tooltip `%s`";
 
         final List<LineMarkerInfo<?>> lineMarkers = getDocumentLineMarkers();
-        assertNotEmpty(lineMarkers);
         for (final LineMarkerInfo lineMarkerInfo: lineMarkers) {
             final String lineMarkerTooltip = lineMarkerInfo.getLineMarkerTooltip();
             final Icon lineMarkerIcon = lineMarkerInfo.getIcon();

tests/com/magento/idea/magento2plugin/linemarker/graphqls/GraphQlResolverClassLinemarkerRegistrarTest.java

@@ -15,6 +15,6 @@ public class GraphQlResolverClassLinemarkerRegistrarTest extends LinemarkerFixtu
     public void testWithValidSchemaResolver() {
         myFixture.configureByFile(this.getFixturePath("schema.graphqls", "graphqls"));
 
-        assertHasLinemarkerWithTooltipAndIcon("Navigate to class", "nodes/class.svg");
+        assertHasLinemarkerWithTooltipAndIcon("Navigate to class", "Class");
     }
 }