refactor: Drop redundant eq() matchers in ClasspathResourceHandlerTest

SonarQube java:S6068 — when every verify() argument is wrapped in eq(),
pass raw values instead. The eq() import is retained for the one call
that mixes eq() with longThat(), where matchers must be used uniformly.

Author: thced

src/test/java/com/retailsvc/http/internal/ClasspathResourceHandlerTest.java

@@ -26,7 +26,7 @@ void getServesBytesVerbatim() throws IOException {
 
     new ClasspathResourceHandler("/sample.txt").handle(ex);
 
-    verify(ex).sendResponseHeaders(eq(200), eq((long) expected.length));
+    verify(ex).sendResponseHeaders(200, expected.length);
     assertThat(body.toByteArray()).isEqualTo(expected);
   }
 
@@ -39,7 +39,7 @@ void headSendsContentLengthHeaderWithoutBody() throws IOException {
 
     new ClasspathResourceHandler("/sample.txt").handle(ex);
 
-    verify(ex).sendResponseHeaders(eq(200), eq(-1L));
+    verify(ex).sendResponseHeaders(200, -1);
     assertThat(responseHeaders.getFirst("Content-Length"))
         .isEqualTo(String.valueOf(expected.length));
   }