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 
@@ -550,7 +550,7 @@ This is equivalent to deleting project.assets.json.</value>
     <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 Requires the '--outdated' option.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>
+    <value>Defines the path of the project file to run. 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>
   </data>
   <data name="CmdProjectPathName" xml:space="preserve">
     <value>PROJECT_PATH</value>
@@ -593,12 +593,23 @@ 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>

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")
     {