diff --git a/test/containers/associative/map/map.access/iterator.pass.cpp b/test/containers/associative/map/map.access/iterator.pass.cpp
index 7aa713cc..552e87d8 100644
--- a/test/containers/associative/map/map.access/iterator.pass.cpp
+++ b/test/containers/associative/map/map.access/iterator.pass.cpp
@@ -215,10 +215,13 @@ int main()
         C::const_iterator cii{};
         assert ( ii1 == ii2 );
         assert ( ii1 == ii4 );
-        assert ( ii1 == cii );
 
-        assert ( !(ii1 != ii2 ));
-        assert ( !(ii1 != cii ));
+        assert (!(ii1 != ii2 ));
+
+        assert ( (ii1 == cii ));
+        assert ( (cii == ii1 ));
+        assert (!(ii1 != cii ));
+        assert (!(cii != ii1 ));
     }
 #endif
 }
diff --git a/test/containers/associative/multimap/iterator.pass.cpp b/test/containers/associative/multimap/iterator.pass.cpp
index 1fdbfa1a..2763129a 100644
--- a/test/containers/associative/multimap/iterator.pass.cpp
+++ b/test/containers/associative/multimap/iterator.pass.cpp
@@ -219,10 +219,13 @@ int main()
         C::const_iterator cii{};
         assert ( ii1 == ii2 );
         assert ( ii1 == ii4 );
-        assert ( ii1 == cii );
 
-        assert ( !(ii1 != ii2 ));
-        assert ( !(ii1 != cii ));
+        assert (!(ii1 != ii2 ));
+
+        assert ( (ii1 == cii ));
+        assert ( (cii == ii1 ));
+        assert (!(ii1 != cii ));
+        assert (!(cii != ii1 ));
     }
 #endif
 }
diff --git a/test/containers/associative/multiset/iterator.pass.cpp b/test/containers/associative/multiset/iterator.pass.cpp
index ccb6c666..d1f0ecfd 100644
--- a/test/containers/associative/multiset/iterator.pass.cpp
+++ b/test/containers/associative/multiset/iterator.pass.cpp
@@ -203,10 +203,13 @@ int main()
         C::const_iterator cii{};
         assert ( ii1 == ii2 );
         assert ( ii1 == ii4 );
-        assert ( ii1 == cii );
 
-        assert ( !(ii1 != ii2 ));
-        assert ( !(ii1 != cii ));
+        assert (!(ii1 != ii2 ));
+
+        assert ( (ii1 == cii ));
+        assert ( (cii == ii1 ));
+        assert (!(ii1 != cii ));
+        assert (!(cii != ii1 ));
     }
 #endif
 }
diff --git a/test/containers/associative/set/iterator.pass.cpp b/test/containers/associative/set/iterator.pass.cpp
index 39c8cc67..ecd950f0 100644
--- a/test/containers/associative/set/iterator.pass.cpp
+++ b/test/containers/associative/set/iterator.pass.cpp
@@ -199,10 +199,13 @@ int main()
         C::const_iterator cii{};
         assert ( ii1 == ii2 );
         assert ( ii1 == ii4 );
-        assert ( ii1 == cii );
 
-        assert ( !(ii1 != ii2 ));
-        assert ( !(ii1 != cii ));
+        assert (!(ii1 != ii2 ));
+
+        assert ( (ii1 == cii ));
+        assert ( (cii == ii1 ));
+        assert (!(ii1 != cii ));
+        assert (!(cii != ii1 ));
     }
 #endif
 }
diff --git a/test/containers/unord/unord.map/iterators.pass.cpp b/test/containers/unord/unord.map/iterators.pass.cpp
index 4ac126a5..47b1d738 100644
--- a/test/containers/unord/unord.map/iterators.pass.cpp
+++ b/test/containers/unord/unord.map/iterators.pass.cpp
@@ -116,10 +116,13 @@ int main()
         C::const_iterator cii{};
         assert ( ii1 == ii2 );
         assert ( ii1 == ii4 );
-        assert ( ii1 == cii );
         
-        assert ( !(ii1 != ii2 ));
-        assert ( !(ii1 != cii ));
+        assert (!(ii1 != ii2 ));
+
+        assert ( (ii1 == cii ));
+        assert ( (cii == ii1 ));
+        assert (!(ii1 != cii ));
+        assert (!(cii != ii1 ));
     }
 #endif
 }
diff --git a/test/containers/unord/unord.multimap/iterators.pass.cpp b/test/containers/unord/unord.multimap/iterators.pass.cpp
index 8a3faa8b..1831cf11 100644
--- a/test/containers/unord/unord.multimap/iterators.pass.cpp
+++ b/test/containers/unord/unord.multimap/iterators.pass.cpp
@@ -122,10 +122,13 @@ int main()
         C::const_iterator cii{};
         assert ( ii1 == ii2 );
         assert ( ii1 == ii4 );
-        assert ( ii1 == cii );
 
-        assert ( !(ii1 != ii2 ));
-        assert ( !(ii1 != cii ));
+        assert (!(ii1 != ii2 ));
+
+        assert ( (ii1 == cii ));
+        assert ( (cii == ii1 ));
+        assert (!(ii1 != cii ));
+        assert (!(cii != ii1 ));
     }
 #endif
 }
diff --git a/test/containers/unord/unord.multiset/iterators.pass.cpp b/test/containers/unord/unord.multiset/iterators.pass.cpp
index fd7077b4..be95b445 100644
--- a/test/containers/unord/unord.multiset/iterators.pass.cpp
+++ b/test/containers/unord/unord.multiset/iterators.pass.cpp
@@ -115,10 +115,13 @@ int main()
         C::const_iterator cii{};
         assert ( ii1 == ii2 );
         assert ( ii1 == ii4 );
-        assert ( ii1 == cii );
 
-        assert ( !(ii1 != ii2 ));
-        assert ( !(ii1 != cii ));
+        assert (!(ii1 != ii2 ));
+
+        assert ( (ii1 == cii ));
+        assert ( (cii == ii1 ));
+        assert (!(ii1 != cii ));
+        assert (!(cii != ii1 ));
     }
 #endif
 }
diff --git a/test/containers/unord/unord.set/iterators.pass.cpp b/test/containers/unord/unord.set/iterators.pass.cpp
index d88310ec..d3a45801 100644
--- a/test/containers/unord/unord.set/iterators.pass.cpp
+++ b/test/containers/unord/unord.set/iterators.pass.cpp
@@ -115,10 +115,13 @@ int main()
         C::const_iterator cii{};
         assert ( ii1 == ii2 );
         assert ( ii1 == ii4 );
-        assert ( ii1 == cii );
 
-        assert ( !(ii1 != ii2 ));
-        assert ( !(ii1 != cii ));
+        assert (!(ii1 != ii2 ));
+
+        assert ( (ii1 == cii ));
+        assert ( (cii == ii1 ));
+        assert (!(ii1 != cii ));
+        assert (!(cii != ii1 ));
     }
 #endif
 }