test: fix test descriptions

lib/node_modules/@stdlib/array/complex64/test/test.every.js

@@ -107,7 +107,7 @@ tape( 'the method throws an error if provided a first argument which is not a fu
 	}
 });
 
-tape( 'the method returns `true` if provided an empty complex number array', function test( t ) {
+tape( 'the method returns `true` if operating on an empty complex number array', function test( t ) {
 	var bool;
 	var arr;
 

lib/node_modules/@stdlib/array/complex64/test/test.filter.js

@@ -110,7 +110,7 @@ tape( 'the method throws an error if provided a first argument which is not a fu
 	}
 });
 
-tape( 'the method returns empty array if provided an empty complex number array', function test( t ) {
+tape( 'the method returns an empty array if operating on an empty complex number array', function test( t ) {
 	var arr;
 	var out;
 

lib/node_modules/@stdlib/array/complex64/test/test.find.js

@@ -107,7 +107,7 @@ tape( 'the method throws an error if provided a first argument which is not a fu
 	}
 });
 
-tape( 'the method returns `undefined` if provided an empty complex number array', function test( t ) {
+tape( 'the method returns `undefined` if operating on an empty complex number array', function test( t ) {
 	var arr;
 	var z;
 

lib/node_modules/@stdlib/array/complex64/test/test.find_index.js

@@ -107,7 +107,7 @@ tape( 'the method throws an error if provided a first argument which is not a fu
 	}
 });
 
-tape( 'the method returns `-1` if provided an empty complex number array', function test( t ) {
+tape( 'the method returns `-1` if operating on an empty complex number array', function test( t ) {
 	var arr;
 	var idx;
 

lib/node_modules/@stdlib/array/complex64/test/test.find_last.js

@@ -107,7 +107,7 @@ tape( 'the method throws an error if provided a first argument which is not a fu
 	}
 });
 
-tape( 'the method returns `undefined` if provided an empty complex number array', function test( t ) {
+tape( 'the method returns `undefined` if operating on an empty complex number array', function test( t ) {
 	var arr;
 	var z;
 

lib/node_modules/@stdlib/array/complex64/test/test.find_last_index.js

@@ -107,7 +107,7 @@ tape( 'the method throws an error if provided a first argument which is not a fu
 	}
 });
 
-tape( 'the method returns `-1` if provided an empty complex number array', function test( t ) {
+tape( 'the method returns `-1` if operating on an empty complex number array', function test( t ) {
 	var arr;
 	var idx;
 

lib/node_modules/@stdlib/array/complex64/test/test.includes.js

@@ -134,7 +134,7 @@ tape( 'the method throws an error if provided a second argument which is not an
 	}
 });
 
-tape( 'the method returns `false` if provided an empty complex number array', function test( t ) {
+tape( 'the method returns `false` if operating on an empty complex number array', function test( t ) {
 	var bool;
 	var arr;
 

lib/node_modules/@stdlib/array/complex64/test/test.index_of.js

@@ -134,7 +134,7 @@ tape( 'the method throws an error if provided a second argument which is not an
 	}
 });
 
-tape( 'the method returns `-1` if provided an empty complex number array', function test( t ) {
+tape( 'the method returns `-1` if operating on an empty complex number array', function test( t ) {
 	var arr;
 	var idx;
 

lib/node_modules/@stdlib/array/complex64/test/test.last_index_of.js

@@ -134,7 +134,7 @@ tape( 'the method throws an error if provided a second argument which is not an
 	}
 });
 
-tape( 'the method returns `-1` if provided an empty complex number array', function test( t ) {
+tape( 'the method returns `-1` if operating on an empty complex number array', function test( t ) {
 	var arr;
 	var idx;
 

lib/node_modules/@stdlib/array/complex64/test/test.some.js

@@ -107,7 +107,7 @@ tape( 'the method throws an error if provided a first argument which is not a fu
 	}
 });
 
-tape( 'the method returns `false` if provided an empty complex number array', function test( t ) {
+tape( 'the method returns `false` if operating on an empty complex number array', function test( t ) {
 	var bool;
 	var arr;