diff --git a/src/Compilers/CSharp/Test/CommandLine/CommandLineTests.cs b/src/Compilers/CSharp/Test/CommandLine/CommandLineTests.cs
index 26066bbb7a09a..ff915c066c662 100644
--- a/src/Compilers/CSharp/Test/CommandLine/CommandLineTests.cs
+++ b/src/Compilers/CSharp/Test/CommandLine/CommandLineTests.cs
@@ -4798,7 +4798,11 @@ public void UnableWriteOutput_OutputFileLocked()
 
             var pattern = @"error CS2012: Cannot open '(?<path>.*)' for writing -- (?<message>.*); file may be locked by '(?<app>.*)' \((?<pid>.*)\)";
             var match = Regex.Match(output, pattern);
-            Assert.True(match.Success, $"Expected:{Environment.NewLine}{pattern}{Environment.NewLine}Actual:{Environment.NewLine}{output}");
+            if (!match.Success)
+            {
+                Assert.Fail($"Expected:{Environment.NewLine}{pattern}{Environment.NewLine}Actual:{Environment.NewLine}{output}");
+            }
+
             Assert.Equal(filePath, match.Groups["path"].Value);
             Assert.Contains("testhost", match.Groups["app"].Value);
             Assert.Equal(currentProcess.Id, int.Parse(match.Groups["pid"].Value));
diff --git a/src/Compilers/VisualBasic/Test/CommandLine/CommandLineTests.vb b/src/Compilers/VisualBasic/Test/CommandLine/CommandLineTests.vb
index cef3e0c201746..78575e9150d8c 100644
--- a/src/Compilers/VisualBasic/Test/CommandLine/CommandLineTests.vb
+++ b/src/Compilers/VisualBasic/Test/CommandLine/CommandLineTests.vb
@@ -5061,7 +5061,10 @@ End Class
 
                 Dim pattern = "vbc : error BC2012: can't open '(?<path>.*)' for writing: (?<message>.*); file may be locked by '(?<app>.*)' \((?<pid>.*)\)"
                 Dim match = Regex.Match(output, pattern)
-                Assert.True(match.Success, $"Expected:{Environment.NewLine}{pattern}{Environment.NewLine}Actual:{Environment.NewLine}{output}")
+                If Not match.Success Then
+                    Assert.Fail($"Expected:{Environment.NewLine}{pattern}{Environment.NewLine}Actual:{Environment.NewLine}{output}")
+                End If
+
                 Assert.Equal(filePath, match.Groups("path").Value)
                 Assert.Contains("testhost", match.Groups("app").Value)
                 Assert.Equal(currentProcess.Id, Integer.Parse(match.Groups("pid").Value))