More precise psalm config: stricter, finding unused code, finding unu…

…sed suppressions

psalm.xml.dist

@@ -1,10 +1,12 @@
 <?xml version="1.0"?>
 <psalm
-    totallyTyped="true"
+    errorLevel="1"
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xmlns="https://getpsalm.org/schema/config"
     xsi:schemaLocation="https://getpsalm.org/schema/config vendor/vimeo/psalm/config.xsd"
     errorBaseline="psalm-baseline.xml"
+    findUnusedPsalmSuppress="true"
+    findUnusedCode="true"
 >
     <projectFiles>
         <directory name="src"/>
@@ -21,14 +23,38 @@
     <issueHandlers>
         <DeprecatedClass>
             <errorLevel type="suppress">
-                <referencedClass name="Laminas\Di\Resolver\AbstractInjection" />
-                <referencedClass name="LaminasTest\Di\Resolver\AbstractInjectionTest" />
+                <referencedClass name="Laminas\Di\Resolver\AbstractInjection"/>
+                <referencedClass name="LaminasTest\Di\Resolver\AbstractInjectionTest"/>
             </errorLevel>
         </DeprecatedClass>
+
+        <PossiblyUnusedMethod>
+            <errorLevel type="suppress">
+                <directory name="test/TestAsset"/>
+            </errorLevel>
+        </PossiblyUnusedMethod>
+
+        <PossiblyUnusedProperty>
+            <errorLevel type="suppress">
+                <directory name="test/TestAsset"/>
+            </errorLevel>
+        </PossiblyUnusedProperty>
+
+        <UnusedClass>
+            <errorLevel type="suppress">
+                <directory name="test/TestAsset"/>
+            </errorLevel>
+        </UnusedClass>
+
+        <UnusedProperty>
+            <errorLevel type="suppress">
+                <directory name="test/TestAsset"/>
+            </errorLevel>
+        </UnusedProperty>
     </issueHandlers>
 
     <stubs>
-        <file name="./stubs/psr-container.phpstub" />
+        <file name="./stubs/psr-container.phpstub"/>
     </stubs>
 
     <plugins>