test: add comments to explain test value distinction

Author: kgryte

lib/node_modules/@stdlib/ndarray/base/assert/is-complex-floating-point-data-type/test/test.js

@@ -54,6 +54,7 @@ tape( 'the function returns `false` if not provided a supported ndarray complex-
 	var i;
 
 	values = [
+		// Supported dtypes:
 		'float32',
 		'float64',
 		'binary',
@@ -66,6 +67,7 @@ tape( 'the function returns `false` if not provided a supported ndarray complex-
 		'int8',
 		'generic',
 
+		// Unsupported dtypes:
 		'float',
 		'int',
 		'bin',

lib/node_modules/@stdlib/ndarray/base/assert/is-floating-point-data-type/test/test.js

@@ -56,6 +56,7 @@ tape( 'the function returns `false` if not provided a supported ndarray floating
 	var i;
 
 	values = [
+		// Supported types:
 		'binary',
 		'uint16',
 		'uint32',
@@ -66,6 +67,7 @@ tape( 'the function returns `false` if not provided a supported ndarray floating
 		'int8',
 		'generic',
 
+		// Unsupported dtypes:
 		'float',
 		'int',
 		'bin',

lib/node_modules/@stdlib/ndarray/base/assert/is-integral-data-type/test/test.js

@@ -59,13 +59,15 @@ tape( 'the function returns `false` if not provided a supported ndarray integral
 	var i;
 
 	values = [
+		// Supported dtypes:
 		'binary',
 		'complex64',
 		'complex128',
 		'float32',
 		'float64',
 		'generic',
 
+		// Unsupported dtypes:
 		'float',
 		'int',
 		'bin',

lib/node_modules/@stdlib/ndarray/base/assert/is-numeric-data-type/test/test.js

@@ -63,9 +63,11 @@ tape( 'the function returns `false` if not provided a supported ndarray numeric
 	var i;
 
 	values = [
+		// Supported dtypes:
 		'binary',
 		'generic',
 
+		// Unsupported dtypes:
 		'float',
 		'int',
 		'bin',

lib/node_modules/@stdlib/ndarray/base/assert/is-real-data-type/test/test.js

@@ -61,11 +61,13 @@ tape( 'the function returns `false` if not provided a supported ndarray real-val
 	var i;
 
 	values = [
+		// Supported dtypes:
 		'binary',
 		'generic',
 		'complex128',
 		'complex64',
 
+		// Unsupported dtypes:
 		'float',
 		'int',
 		'bin',

lib/node_modules/@stdlib/ndarray/base/assert/is-real-floating-point-data-type/test/test.js

@@ -54,6 +54,7 @@ tape( 'the function returns `false` if not provided a supported ndarray real-val
 	var i;
 
 	values = [
+		// Supported dtypes:
 		'complex64',
 		'complex128',
 		'binary',
@@ -66,6 +67,7 @@ tape( 'the function returns `false` if not provided a supported ndarray real-val
 		'int8',
 		'generic',
 
+		// Unsupported dtypes:
 		'float',
 		'int',
 		'bin',

lib/node_modules/@stdlib/ndarray/base/assert/is-signed-integer-data-type/test/test.js

@@ -55,6 +55,7 @@ tape( 'the function returns `false` if not provided a supported ndarray signed i
 	var i;
 
 	values = [
+		// Supported dtypes:
 		'binary',
 		'complex64',
 		'complex128',
@@ -66,6 +67,7 @@ tape( 'the function returns `false` if not provided a supported ndarray signed i
 		'uint8',
 		'uint8c',
 
+		// Unsupported dtypes:
 		'float',
 		'int',
 		'bin',

lib/node_modules/@stdlib/ndarray/base/assert/is-unsigned-integer-data-type/test/test.js

@@ -56,6 +56,7 @@ tape( 'the function returns `false` if not provided a supported ndarray unsigned
 	var i;
 
 	values = [
+		// Supported dtypes:
 		'binary',
 		'complex64',
 		'complex128',
@@ -66,6 +67,7 @@ tape( 'the function returns `false` if not provided a supported ndarray unsigned
 		'int32',
 		'int8',
 
+		// Unsupported dtypes:
 		'float',
 		'int',
 		'bin',