Avoid discarding test matchers.

PiperOrigin-RevId: 838904511
Change-Id: I02f3bf3f2c51e4cdb21aa638a4f265f2ef4e2f25

Author: ckennelly

absl/strings/internal/cord_rep_btree_test.cc

@@ -1230,16 +1230,16 @@ TEST(CordRepBtreeTest, Dump) {
 
     if (api != 3) {
       // Does not contain contents
-      EXPECT_THAT(str, Not(AnyOf((HasSubstr("data = \"Hello world\""),
-                                  HasSubstr("data = \"Hello external\""),
-                                  HasSubstr("data = \"ello w\""),
-                                  HasSubstr("data = \"llo ext\"")))));
+      EXPECT_THAT(str, Not(AnyOf(HasSubstr("data = \"Hello world\""),
+                                 HasSubstr("data = \"Hello external\""),
+                                 HasSubstr("data = \"ello w\""),
+                                 HasSubstr("data = \"llo ext\""))));
     } else {
       // Contains contents
-      EXPECT_THAT(str, AllOf((HasSubstr("data = \"Hello world\""),
-                              HasSubstr("data = \"Hello external\""),
-                              HasSubstr("data = \"ello w\""),
-                              HasSubstr("data = \"llo ext\""))));
+      EXPECT_THAT(str, AllOf(HasSubstr("data = \"Hello world\""),
+                             HasSubstr("data = \"Hello external\""),
+                             HasSubstr("data = \"ello w\""),
+                             HasSubstr("data = \"llo ext\"")));
     }
   }