C#: Allow other characters between build-stdput and the expected message.

csharp/ql/integration-tests/all-platforms/dotnet_build/test.py

@@ -1,8 +1,11 @@
-def check_build_out(msg, s):
-    assert (
-        "[build-stdout] " + msg in s
-    ), f"The C# tracer did not interpret the dotnet path-to-application command correctly."
+import os
 
+def check_build_out(msg, s):
+    lines = s.splitlines()
+    lines = s.splitlines()
+    assert (
+        any (("[build-stdout]" in line) and (msg in line) for line in lines)
+    ), f"The C# tracer did not interpret the dotnet path-to-application command correctly."
 
 def test1(codeql, csharp):
     codeql.database.create(command="dotnet build")

csharp/ql/integration-tests/all-platforms/dotnet_run/test.py

@@ -1,9 +1,9 @@
 def check_build_out(msg, s):
+    lines = s.splitlines()
     assert (
-        "[build-stdout] " + msg in s
+        any (("[build-stdout]" in line) and (msg in line) for line in lines)
     ), "The C# tracer did not interpret the 'dotnet run' command correctly"
 
-
 # no arguments
 def test_no_args(codeql, csharp):
     s = codeql.database.create(command="dotnet run", _capture="stdout")