fixed code after review

Author: Iamwade

resources/META-INF/plugin.xml

@@ -234,7 +234,7 @@
                          bundle="magento2.inspection" key="inspection.displayName.PluginAttrTypeInspection"
                          groupBundle="magento2.inspection" groupKey="inspection.group.name"
                          enabledByDefault="true" level="WARNING"
-                         implementationClass="com.magento.idea.magento2plugin.inspections.xml.PluginAttrTypeInspection"/>
+                         implementationClass="com.magento.idea.magento2plugin.inspections.xml.PluginAttributeTypeInspection"/>
 
         <internalFileTemplate name="Magento Composer JSON"/>
         <internalFileTemplate name="Magento Registration PHP"/>

src/com/magento/idea/magento2plugin/inspections/xml/PluginAttrTypeInspection.java renamed to src/com/magento/idea/magento2plugin/inspections/xml/PluginAttributeTypeInspection.java

@@ -21,7 +21,7 @@
 import com.magento.idea.magento2plugin.magento.files.ModuleDiXml;
 import org.jetbrains.annotations.NotNull;
 
-public class PluginAttrTypeInspection extends XmlSuppressableInspectionTool {
+public class PluginAttributeTypeInspection extends XmlSuppressableInspectionTool {
 
     @Override
     public @NotNull

testData/inspections/xml/PluginAttrTypeInspection/attrArgTypeValueIsEmpty/di.xml renamed to testData/inspections/xml/PluginAttributeTypeInspection/attrArgTypeValueIsEmpty/di.xml

@@ -7,7 +7,7 @@
 
 import com.magento.idea.magento2plugin.magento.files.ModuleDiXml;
 
-public class PluginAttrTypeInspectionTest extends InspectionXmlFixtureTestCase {
+public class PluginAttributeTypeInspectionTest extends InspectionXmlFixtureTestCase {
 
     private static final String ARGUMENT_VALUE_IS_EMPTY =
             "inspection.error.idAttributeCanNotBeEmpty";
@@ -21,7 +21,7 @@ public class PluginAttrTypeInspectionTest extends InspectionXmlFixtureTestCase {
     @Override
     public void setUp() throws Exception {
         super.setUp();
-        myFixture.enableInspections(PluginAttrTypeInspection.class);
+        myFixture.enableInspections(PluginAttributeTypeInspection.class);
     }
 
     /**
@@ -40,7 +40,7 @@ public void testAttrArgTypeValueIsEmpty() {
     }
 
     /**
-     * Test for an no error for the "type" attribute because this class exists.
+     * Test for no error for the "type" attribute because this class exists.
      * <plugin name="unique_plugin_name" type="Magento\Catalog\Plugin\PluginClass" />
      */
     public void testAttrTypeClassExists() {