Language detection follow-up: simplifying content browsertest naming

R=aboxhall,dmazzoni
BUG=889370

Change-Id: I59d38e4112def9c1e80ee4c82471c1ca03051e83
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1520466
Commit-Queue: Chris Hall <chrishall@chromium.org>
Reviewed-by: Alice Boxhall <aboxhall@chromium.org>
Reviewed-by: Dominic Mazzoni <dmazzoni@chromium.org>
Auto-Submit: Chris Hall <chrishall@chromium.org>
Cr-Commit-Position: refs/heads/master@{#642437}

content/browser/accessibility/dump_accessibility_tree_browsertest.cc

@@ -1953,7 +1953,7 @@ IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest,
 
 IN_PROC_BROWSER_TEST_F(DumpAccessibilityTreeTest,
                        LanguageDetectionLangDetectionBasic) {
-  RunLanguageDetectionTest(FILE_PATH_LITERAL("lang-detection-basic.html"));
+  RunLanguageDetectionTest(FILE_PATH_LITERAL("basic.html"));
 }
 
 //