A few argument parser tests were erronously doing assignments instead of assertions

Author: asbjornu

src/GitVersionExe.Tests/ArgumentParserTests.cs

@@ -266,23 +266,23 @@ public void can_log_to_console()
     public void nofetch_true_when_defined()
     {
         var arguments = ArgumentParser.ParseArguments("-nofetch");
-        arguments.NoFetch = true;
+        arguments.NoFetch.ShouldBe(true);
     }
 
     [Test]
     public void other_arguments_can_be_parsed_before_nofetch()
     {
         var arguments = ArgumentParser.ParseArguments("targetpath -nofetch ");
-        arguments.TargetPath = "targetpath";
-        arguments.NoFetch = true;
+        arguments.TargetPath.ShouldBe("targetpath");
+        arguments.NoFetch.ShouldBe(true);
     }
 
     [Test]
     public void other_arguments_can_be_parsed_after_nofetch()
     {
         var arguments = ArgumentParser.ParseArguments("-nofetch -proj foo.sln");
-        arguments.NoFetch = true;
-        arguments.Proj = "foo.sln";
+        arguments.NoFetch.ShouldBe(true);
+        arguments.Proj.ShouldBe("foo.sln");
     }
 
     [Test]