Add console message levels to test expectation output.

LayoutTests/http/tests/security/contentSecurityPolicy/report-multiple-violations-02-expected.txt

Index: LayoutTests/http/tests/security/contentSecurityPolicy/report-multiple-violations-02-expected.txt
diff --git a/LayoutTests/http/tests/security/contentSecurityPolicy/report-multiple-violations-02-expected.txt b/LayoutTests/http/tests/security/contentSecurityPolicy/report-multiple-violations-02-expected.txt
index d1b56b6a8d18892fd47e7bd04ab45c71a8115771..5e898f7f88ffadc40a5b426abdb85ea85d780987 100644
--- a/LayoutTests/http/tests/security/contentSecurityPolicy/report-multiple-violations-02-expected.txt
+++ b/LayoutTests/http/tests/security/contentSecurityPolicy/report-multiple-violations-02-expected.txt
@@ -1,12 +1,12 @@
-CONSOLE MESSAGE: [Report Only] Refused to evaluate a string as JavaScript because 'unsafe-eval' is not an allowed source of script in the following Content Security Policy directive: "script-src 'unsafe-inline' 'self'".
+CONSOLE ERROR: [Report Only] Refused to evaluate a string as JavaScript because 'unsafe-eval' is not an allowed source of script in the following Content Security Policy directive: "script-src 'unsafe-inline' 'self'".
 
 PingLoader dispatched to 'http://127.0.0.1:8000/security/contentSecurityPolicy/resources/does-not-exist'.
-CONSOLE MESSAGE: [Report Only] Refused to evaluate a string as JavaScript because 'unsafe-eval' is not an allowed source of script in the following Content Security Policy directive: "script-src 'unsafe-inline' 'self'".
+CONSOLE ERROR: [Report Only] Refused to evaluate a string as JavaScript because 'unsafe-eval' is not an allowed source of script in the following Content Security Policy directive: "script-src 'unsafe-inline' 'self'".
 
-CONSOLE MESSAGE: [Report Only] Refused to evaluate a string as JavaScript because 'unsafe-eval' is not an allowed source of script in the following Content Security Policy directive: "script-src 'unsafe-inline' 'self'".
+CONSOLE ERROR: [Report Only] Refused to evaluate a string as JavaScript because 'unsafe-eval' is not an allowed source of script in the following Content Security Policy directive: "script-src 'unsafe-inline' 'self'".
 
-CONSOLE MESSAGE: [Report Only] Refused to evaluate a string as JavaScript because 'unsafe-eval' is not an allowed source of script in the following Content Security Policy directive: "script-src 'unsafe-inline' 'self'".
+CONSOLE ERROR: [Report Only] Refused to evaluate a string as JavaScript because 'unsafe-eval' is not an allowed source of script in the following Content Security Policy directive: "script-src 'unsafe-inline' 'self'".
 
-CONSOLE MESSAGE: [Report Only] Refused to evaluate a string as JavaScript because 'unsafe-eval' is not an allowed source of script in the following Content Security Policy directive: "script-src 'unsafe-inline' 'self'".
+CONSOLE ERROR: [Report Only] Refused to evaluate a string as JavaScript because 'unsafe-eval' is not an allowed source of script in the following Content Security Policy directive: "script-src 'unsafe-inline' 'self'".
 
 This tests that multiple violations on a page trigger multiple reports if and only if the violations are distinct. This test passes if only one. PingLoader callback is visible in the output.