Fixed ett/et gramatical error in nb-NO resource file

Added some tests for timespan in nb-NO locale. Fixed ett/et errors in
the resource file

src/Humanizer.Tests/Humanizer.Tests.csproj

@@ -78,6 +78,7 @@
     <Compile Include="DateHumanize.cs" />
     <Compile Include="Localisation\cs\DateHumanizeTests.cs" />
     <Compile Include="Localisation\cs\TimeSpanHumanizeTests.cs" />
+    <Compile Include="Localisation\nb-NO\TimeSpanHumanizeTests.cs" />
     <Compile Include="Localisation\sk\DateHumanizeTests.cs" />
     <Compile Include="Localisation\ar\DateHumanizeTests.cs" />
     <Compile Include="Localisation\ar\NumberToWordsTests.cs" />

src/Humanizer.Tests/Localisation/nb-NO/TimeSpanHumanizeTests.cs

@@ -0,0 +1,59 @@
+using System;
+using Xunit;
+using Xunit.Extensions;
+
+namespace Humanizer.Tests.Localisation.nbNO
+{
+    public class TimeSpanHumanizeTests : AmbientCulture
+    {
+        public TimeSpanHumanizeTests() : base("nb-NO") { }
+
+        [Theory]
+        [InlineData(7, "en uke")]
+        public void Weeks(int days, string expected)
+        {
+            Assert.Equal(expected, TimeSpan.FromDays(days).Humanize());
+        }
+
+        [Theory]
+        [InlineData(1, "en dag")]
+        public void Days(int days, string expected)
+        {
+            Assert.Equal(expected, TimeSpan.FromDays(days).Humanize());
+        }
+
+        [Theory]
+        [InlineData(1, "en time")]
+        public void Hours(int hours, string expected)
+        {
+            Assert.Equal(expected, TimeSpan.FromHours(hours).Humanize());
+        }
+
+        [Theory]
+        [InlineData(1, "ett minutt")]
+        public void Minutes(int minutes, string expected)
+        {
+            Assert.Equal(expected, TimeSpan.FromMinutes(minutes).Humanize());
+        }
+
+        [Theory]
+        [InlineData(1, "ett sekund")]
+        public void Seconds(int seconds, string expected)
+        {
+            Assert.Equal(expected, TimeSpan.FromSeconds(seconds).Humanize());
+        }
+
+        [Theory]
+        [InlineData(1, "ett millisekund")]
+        public void Milliseconds(int milliseconds, string expected)
+        {
+            Assert.Equal(expected, TimeSpan.FromMilliseconds(milliseconds).Humanize());
+        }
+
+        [Fact]
+        public void NoTime()
+        {
+            Assert.Equal("ingen tid", TimeSpan.Zero.Humanize());
+        }
+    }
+}

src/Humanizer/Properties/Resources.nb-NO.resx

@@ -175,13 +175,13 @@
     <value>en time</value>
   </data>
   <data name="TimeSpanHumanize_SingleMillisecond" xml:space="preserve">
-    <value>et millisekund</value>
+    <value>ett millisekund</value>
   </data>
   <data name="TimeSpanHumanize_SingleMinute" xml:space="preserve">
-    <value>et minutt</value>
+    <value>ett minutt</value>
   </data>
   <data name="TimeSpanHumanize_SingleSecond" xml:space="preserve">
-    <value>et sekund</value>
+    <value>ett sekund</value>
   </data>
   <data name="TimeSpanHumanize_Zero" xml:space="preserve">
     <value>ingen tid</value>