fix warning tests

Author: hulxv

clang-tools-extra/include-cleaner/test/tool.cpp

@@ -61,17 +61,17 @@ int x = foo();
 
 //       RUN: clang-include-cleaner -insert=false -print=changes %s -- -I%S/Inputs/ 2>&1 | \
 //       RUN: FileCheck --check-prefix=DEPRECATED-INSERT %s
-// DEPRECATED-INSERT: [WARNING] -insert is deprecated in favor of `-disable-insert`
+// DEPRECATED-INSERT: warning: '-insert' is deprecated in favor of '-disable-insert'
 // DEPRECATED-INSERT: The old flag was confusing since it suggested that inserts
 // DEPRECATED-INSERT: were disabled by default, when they were actually enabled
 
 //       RUN: clang-include-cleaner -remove=false -print=changes %s -- -I%S/Inputs/ 2>&1 | \
 //       RUN: FileCheck --check-prefix=DEPRECATED-REMOVE %s
-// DEPRECATED-REMOVE: [WARNING] -remove is deprecated in favor of `-disable-remove`
+// DEPRECATED-REMOVE: warning: `-remove` is deprecated in favor of `-disable-remove`
 // DEPRECATED-REMOVE: The old flag was confusing since it suggested that removes
 // DEPRECATED-REMOVE: were disabled by default, when they were actually enabled
 
 //       RUN: clang-include-cleaner -insert=false -remove=false -print=changes %s -- -I%S/Inputs/ 2>&1 | \
 //       RUN: FileCheck --check-prefix=DEPRECATED-BOTH %s
-// DEPRECATED-BOTH: [WARNING] -insert is deprecated in favor of `-disable-insert`
-// DEPRECATED-BOTH: [WARNING] -remove is deprecated in favor of `-disable-remove`
+// DEPRECATED-BOTH: warning: -insert is deprecated in favor of '-disable-insert'
+// DEPRECATED-BOTH: warning: -remove is deprecated in favor of '-disable-remove'