[clang-tools-extra] [clang-tidy][NFC] Remove regex hacks to match full lines in tests (PR #162293)

[Nicolas van Kempen via cfe-commits]

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@@ -28,7 +28,7 @@ void chained_conditional_assignment(int i) {
   else
     b = false;
   // CHECK-MESSAGES: :[[@LINE-3]]:9: warning: {{.*}} in conditional assignment
-  // CHECK-FIXES:      {{^}}  else if (i < 10)
-  // CHECK-FIXES-NEXT: {{^}}    b = false;
-  // CHECK-FIXES-NEXT: {{^}}  else b = i > 20;
+  // CHECK-FIXES:      else if (i < 10)
+  // CHECK-FIXES-NEXT: b = false;
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nicovank wrote:

Keep indentation.

https://github.com/llvm/llvm-project/pull/162293