Implement changes according to review

Author: mu88

Src/FluentAssertions/Primitives/NullableBooleanAssertions.cs

@@ -119,22 +119,22 @@ public AndConstraint<TAssertions> Be(bool? expected, string because = "", params
         }
 
         /// <summary>
-        /// Asserts that the value is not equal to the specified <paramref name="expected"/> value.
+        /// Asserts that the value is not equal to the specified <paramref name="unexpected"/> value.
         /// </summary>
-        /// <param name="expected">The expected value</param>
+        /// <param name="unexpected">The expected value</param>
         /// <param name="because">
         /// A formatted phrase as is supported by <see cref="string.Format(string,object[])" /> explaining why the assertion
         /// is needed. If the phrase does not start with the word <i>because</i>, it is prepended automatically.
         /// </param>
         /// <param name="becauseArgs">
         /// Zero or more objects to format using the placeholders in <paramref name="because" />.
         /// </param>
-        public AndConstraint<TAssertions> NotBe(bool? expected, string because = "", params object[] becauseArgs)
+        public AndConstraint<TAssertions> NotBe(bool? unexpected, string because = "", params object[] becauseArgs)
         {
             Execute.Assertion
-                .ForCondition(Subject != expected)
+                .ForCondition(Subject != unexpected)
                 .BecauseOf(because, becauseArgs)
-                .FailWith("Expected {context:nullable boolean} not to be {0}{reason}, but found {1}.", expected, Subject);
+                .FailWith("Expected {context:nullable boolean} not to be {0}{reason}, but found {1}.", unexpected, Subject);
 
             return new AndConstraint<TAssertions>((TAssertions)this);
         }

Tests/Approval.Tests/ApprovedApi/FluentAssertions/net47.verified.txt

@@ -1951,7 +1951,7 @@ namespace FluentAssertions.Primitives
         public FluentAssertions.AndConstraint<TAssertions> Be(bool? expected, string because = "", params object[] becauseArgs) { }
         public FluentAssertions.AndConstraint<TAssertions> BeNull(string because = "", params object[] becauseArgs) { }
         public FluentAssertions.AndConstraint<TAssertions> HaveValue(string because = "", params object[] becauseArgs) { }
-        public FluentAssertions.AndConstraint<TAssertions> NotBe(bool? expected, string because = "", params object[] becauseArgs) { }
+        public FluentAssertions.AndConstraint<TAssertions> NotBe(bool? unexpected, string because = "", params object[] becauseArgs) { }
         public FluentAssertions.AndConstraint<TAssertions> NotBeFalse(string because = "", params object[] becauseArgs) { }
         public FluentAssertions.AndConstraint<TAssertions> NotBeNull(string because = "", params object[] becauseArgs) { }
         public FluentAssertions.AndConstraint<TAssertions> NotBeTrue(string because = "", params object[] becauseArgs) { }

Tests/Approval.Tests/ApprovedApi/FluentAssertions/net6.0.verified.txt

@@ -2008,6 +2008,7 @@ namespace FluentAssertions.Primitives
         public FluentAssertions.AndConstraint<TAssertions> Be(bool? expected, string because = "", params object[] becauseArgs) { }
         public FluentAssertions.AndConstraint<TAssertions> BeNull(string because = "", params object[] becauseArgs) { }
         public FluentAssertions.AndConstraint<TAssertions> HaveValue(string because = "", params object[] becauseArgs) { }
+        public FluentAssertions.AndConstraint<TAssertions> NotBe(bool? unexpected, string because = "", params object[] becauseArgs) { }
         public FluentAssertions.AndConstraint<TAssertions> NotBeFalse(string because = "", params object[] becauseArgs) { }
         public FluentAssertions.AndConstraint<TAssertions> NotBeNull(string because = "", params object[] becauseArgs) { }
         public FluentAssertions.AndConstraint<TAssertions> NotBeTrue(string because = "", params object[] becauseArgs) { }

Tests/Approval.Tests/ApprovedApi/FluentAssertions/netcoreapp2.1.verified.txt

@@ -1951,7 +1951,7 @@ namespace FluentAssertions.Primitives
         public FluentAssertions.AndConstraint<TAssertions> Be(bool? expected, string because = "", params object[] becauseArgs) { }
         public FluentAssertions.AndConstraint<TAssertions> BeNull(string because = "", params object[] becauseArgs) { }
         public FluentAssertions.AndConstraint<TAssertions> HaveValue(string because = "", params object[] becauseArgs) { }
-        public FluentAssertions.AndConstraint<TAssertions> NotBe(bool? expected, string because = "", params object[] becauseArgs) { }
+        public FluentAssertions.AndConstraint<TAssertions> NotBe(bool? unexpected, string because = "", params object[] becauseArgs) { }
         public FluentAssertions.AndConstraint<TAssertions> NotBeFalse(string because = "", params object[] becauseArgs) { }
         public FluentAssertions.AndConstraint<TAssertions> NotBeNull(string because = "", params object[] becauseArgs) { }
         public FluentAssertions.AndConstraint<TAssertions> NotBeTrue(string because = "", params object[] becauseArgs) { }

Tests/Approval.Tests/ApprovedApi/FluentAssertions/netcoreapp3.0.verified.txt

@@ -1951,7 +1951,7 @@ namespace FluentAssertions.Primitives
         public FluentAssertions.AndConstraint<TAssertions> Be(bool? expected, string because = "", params object[] becauseArgs) { }
         public FluentAssertions.AndConstraint<TAssertions> BeNull(string because = "", params object[] becauseArgs) { }
         public FluentAssertions.AndConstraint<TAssertions> HaveValue(string because = "", params object[] becauseArgs) { }
-        public FluentAssertions.AndConstraint<TAssertions> NotBe(bool? expected, string because = "", params object[] becauseArgs) { }
+        public FluentAssertions.AndConstraint<TAssertions> NotBe(bool? unexpected, string because = "", params object[] becauseArgs) { }
         public FluentAssertions.AndConstraint<TAssertions> NotBeFalse(string because = "", params object[] becauseArgs) { }
         public FluentAssertions.AndConstraint<TAssertions> NotBeNull(string because = "", params object[] becauseArgs) { }
         public FluentAssertions.AndConstraint<TAssertions> NotBeTrue(string because = "", params object[] becauseArgs) { }

Tests/Approval.Tests/ApprovedApi/FluentAssertions/netstandard2.0.verified.txt

@@ -1903,7 +1903,7 @@ namespace FluentAssertions.Primitives
         public FluentAssertions.AndConstraint<TAssertions> Be(bool? expected, string because = "", params object[] becauseArgs) { }
         public FluentAssertions.AndConstraint<TAssertions> BeNull(string because = "", params object[] becauseArgs) { }
         public FluentAssertions.AndConstraint<TAssertions> HaveValue(string because = "", params object[] becauseArgs) { }
-        public FluentAssertions.AndConstraint<TAssertions> NotBe(bool? expected, string because = "", params object[] becauseArgs) { }
+        public FluentAssertions.AndConstraint<TAssertions> NotBe(bool? unexpected, string because = "", params object[] becauseArgs) { }
         public FluentAssertions.AndConstraint<TAssertions> NotBeFalse(string because = "", params object[] becauseArgs) { }
         public FluentAssertions.AndConstraint<TAssertions> NotBeNull(string because = "", params object[] becauseArgs) { }
         public FluentAssertions.AndConstraint<TAssertions> NotBeTrue(string because = "", params object[] becauseArgs) { }

Tests/Approval.Tests/ApprovedApi/FluentAssertions/netstandard2.1.verified.txt

@@ -1951,7 +1951,7 @@ namespace FluentAssertions.Primitives
         public FluentAssertions.AndConstraint<TAssertions> Be(bool? expected, string because = "", params object[] becauseArgs) { }
         public FluentAssertions.AndConstraint<TAssertions> BeNull(string because = "", params object[] becauseArgs) { }
         public FluentAssertions.AndConstraint<TAssertions> HaveValue(string because = "", params object[] becauseArgs) { }
-        public FluentAssertions.AndConstraint<TAssertions> NotBe(bool? expected, string because = "", params object[] becauseArgs) { }
+        public FluentAssertions.AndConstraint<TAssertions> NotBe(bool? unexpected, string because = "", params object[] becauseArgs) { }
         public FluentAssertions.AndConstraint<TAssertions> NotBeFalse(string because = "", params object[] becauseArgs) { }
         public FluentAssertions.AndConstraint<TAssertions> NotBeNull(string because = "", params object[] becauseArgs) { }
         public FluentAssertions.AndConstraint<TAssertions> NotBeTrue(string because = "", params object[] becauseArgs) { }

Tests/FluentAssertions.Specs/Primitives/NullableBooleanAssertionSpecs.cs

@@ -201,7 +201,7 @@ public void When_asserting_boolean_null_value_to_be_equal_to_different_nullable_
         }
 
         [Fact]
-        public void When_asserting_boolean_null_value_not_to_be_equal_to_same_boolean_null_value_should_fail()
+        public void When_asserting_boolean_null_value_not_to_be_equal_to_same_value_should_fail()
         {
             // Arrange
             bool? nullableBoolean = null;
@@ -232,7 +232,7 @@ public void When_asserting_boolean_null_value_to_be_equal_to_null_it_should_succ
         }
 
         [Fact]
-        public void When_asserting_boolean_value_not_to_be_equal_to_boolean_value_it_should_succeed()
+        public void When_asserting_boolean_null_value_not_to_be_equal_to_different_value_it_should_succeed()
         {
             // Arrange
             bool? nullableBoolean = true;