test: fix test linting

See forgejo/forgejo#5911

tests/integration/compare_test.go

@@ -40,7 +40,7 @@ func TestCompareTag(t *testing.T) {
 
 	req = NewRequest(t, "GET", "/user2/repo1/compare/invalid")
 	resp = session.MakeRequest(t, req, http.StatusNotFound)
-	assert.False(t, strings.Contains(resp.Body.String(), ">500<"), "expect 404 page not 500")
+	assert.NotContains(t, resp.Body.String(), ">500<", "expect 404 page not 500")
 }
 
 // Compare with inferred default branch (master)

tests/integration/last_updated_time_test.go

@@ -48,7 +48,7 @@ func TestBranchLastUpdatedTime(t *testing.T) {
 	{
 		buf := ""
 		findTextNonNested(t, node, &buf)
-		assert.True(t, strings.Contains(buf, "Updated"))
+		assert.Contains(t, buf, "Updated")
 	}
 
 	{

tests/integration/repo_test.go

@@ -902,7 +902,7 @@ func TestRepoFollowSymlink(t *testing.T) {
 		symlinkURL, ok := htmlDoc.Find(".file-actions .button[data-kind='follow-symlink']").Attr("href")
 		if shouldExist {
 			assert.True(t, ok)
-			assert.EqualValues(t, expectedSymlinkURL, symlinkURL)
+			assert.Equal(t, expectedSymlinkURL, symlinkURL)
 		} else {
 			assert.False(t, ok)
 		}