Fix --project and --solution descriptions for dotnet test MTP to use "test" instead of "run" and extract shared localization strings

src/Cli/dotnet/Commands/CliCommandStrings.resx

@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <root>
   <!-- 
     Microsoft ResX Schema 
@@ -549,9 +549,6 @@ This is equivalent to deleting project.assets.json.</value>
   <data name="CmdPrereleaseDescription" xml:space="preserve">
     <value>Consider packages with prerelease versions when searching for newer packages. Requires the '--outdated' option.</value>
   </data>
-  <data name="CmdProjectDescription" xml:space="preserve">
-    <value>Defines the path of the project file to run (folder name or full path). If not specified, it defaults to the current directory.</value>
-  </data>
   <data name="CmdProjectPathName" xml:space="preserve">
     <value>PROJECT_PATH</value>
   </data>
@@ -593,12 +590,23 @@ If not specified the file will be generated inside the default 'TestResults' dir
   <data name="CmdSettingsFile" xml:space="preserve">
     <value>SETTINGS_FILE</value>
   </data>
-  <data name="CmdSolutionDescription" xml:space="preserve">
-    <value>Defines the path of the solution file to run. If not specified, it defaults to the current directory.</value>
-  </data>
   <data name="CmdSolutionPathName" xml:space="preserve">
     <value>SOLUTION_PATH</value>
   </data>
+  <data name="CmdProjectDescriptionFormat" xml:space="preserve">
+    <value>Defines the path of the project file to {0}. Use path to the project file, or path to the directory containing the project file. If not specified, it defaults to the current directory.</value>
+    <comment>{0} is the verb (e.g., "test", "run")</comment>
+  </data>
+  <data name="CmdSolutionDescriptionFormat" xml:space="preserve">
+    <value>Defines the path of the solution file to {0}. Use path to the solution file, or path to the directory containing the solution file. If not specified, it defaults to the current directory.</value>
+    <comment>{0} is the verb (e.g., "test", "run")</comment>
+  </data>
+  <data name="VerbRun" xml:space="preserve">
+    <value>run</value>
+  </data>
+  <data name="VerbTest" xml:space="preserve">
+    <value>test</value>
+  </data>
   <data name="CmdSourceOption" xml:space="preserve">
     <value>SOURCE</value>
   </data>
@@ -704,9 +712,6 @@ See https://aka.ms/dotnet-test/mtp for more information.</value>
     <value>Do not attempt to use launchSettings.json or [app].run.json to configure the application.</value>
     <comment>{Locked="launchSettings.json"}{Locked=".run.json"}</comment>
   </data>
-  <data name="CommandOptionProjectDescription" xml:space="preserve">
-    <value>The path to the project file to run (defaults to the current directory if there is only one project).</value>
-  </data>
   <data name="CommandOptionProjectHelpName" xml:space="preserve">
     <value>PROJECT_PATH</value>
   </data>

src/Cli/dotnet/Commands/Run/RunCommandParser.cs

@@ -17,11 +17,7 @@ internal static class RunCommandParser
 
     public static readonly Option<string> RuntimeOption = CommonOptions.RuntimeOption(CliCommandStrings.RunRuntimeOptionDescription);
 
-    public static readonly Option<string> ProjectOption = new("--project")
-    {
-        Description = CliCommandStrings.CommandOptionProjectDescription,
-        HelpName = CliCommandStrings.CommandOptionProjectHelpName
-    };
+    public static readonly Option<string> ProjectOption = CommonOptions.ProjectOption(CliCommandStrings.VerbRun);
 
     public static readonly Option<string> FileOption = new("--file")
     {

src/Cli/dotnet/Commands/Test/MTP/MicrosoftTestingPlatformOptions.cs

@@ -7,19 +7,9 @@ namespace Microsoft.DotNet.Cli.Commands.Test;
 
 internal static class MicrosoftTestingPlatformOptions
 {
-    public static readonly Option<string> ProjectOption = new("--project")
-    {
-        Description = CliCommandStrings.CmdProjectDescription,
-        HelpName = CliCommandStrings.CmdProjectPathName,
-        Arity = ArgumentArity.ExactlyOne
-    };
+    public static readonly Option<string> ProjectOption = CommonOptions.ProjectOption(CliCommandStrings.VerbTest);
 
-    public static readonly Option<string> SolutionOption = new("--solution")
-    {
-        Description = CliCommandStrings.CmdSolutionDescription,
-        HelpName = CliCommandStrings.CmdSolutionPathName,
-        Arity = ArgumentArity.ExactlyOne
-    };
+    public static readonly Option<string> SolutionOption = CommonOptions.SolutionOption(CliCommandStrings.VerbTest);
 
     public static readonly Option<string> TestModulesFilterOption = new("--test-modules")
     {