fix test

Author: vbvictor

clang-tools-extra/test/clang-tidy/infrastructure/quiet-flag.cpp

@@ -1,14 +1,14 @@
-// RUN: clang-tidy -checks=-*,readability-magic-numbers %t.cpp -- 2>&1 | FileCheck %s --check-prefix=CHECK-NORMAL
-// RUN: clang-tidy -checks=-*,readability-magic-numbers -quiet %t.cpp -- 2>&1 | FileCheck %s --check-prefix=CHECK-QUIET
+// RUN: clang-tidy -checks=-*,readability-magic-numbers %s -- 2>&1 | FileCheck %s --check-prefix=CHECK-NORMAL
+// RUN: clang-tidy -checks=-*,readability-magic-numbers -quiet %s -- 2>&1 | FileCheck %s --check-prefix=CHECK-QUIET
 
 // Normal mode should show warning count
 // CHECK-NORMAL: 1 warning generated
 // CHECK-NORMAL: warning: 42 is a magic number
 
-// Quiet mode should suppress warning count 
-// CHECK-QUIET-NOT: 1 warning generated
+// Quiet mode should suppress warning count but show diagnostic
 // CHECK-QUIET: warning: 42 is a magic number
+// CHECK-QUIET-NOT: {{[0-9]+}} warning{{s?}} generated
 
 int main() {
-  int x = 42;
+  int x = 42; // This will trigger readability-magic-numbers
 }