Fix warnings in phpunit8

Author: sabas

phpunit.xml

@@ -18,4 +18,4 @@
             <directory suffix=".php">./src</directory>
         </whitelist>
     </filter>
-</phpunit>
+</phpunit>

tests/GeneratorTest/DesadvTest.php

@@ -172,12 +172,12 @@ public function testDesadv()
             $message = str_replace("'", "'\n", $encoder->get());
             //fwrite(STDOUT, "\n\nDESADV\n" . $message);
 
-            $this->assertContains('UNT+15', $message);
-            $this->assertContains('DTM+137', $message);
-            $this->assertContains('DTM+11', $message);
-            $this->assertContains('DTM+17', $message);
-            $this->assertContains('CTA++', $message);
-            $this->assertContains('COM+', $message);
+            $this->assertStringContainsString('UNT+15', $message);
+            $this->assertStringContainsString('DTM+137', $message);
+            $this->assertStringContainsString('DTM+11', $message);
+            $this->assertStringContainsString('DTM+17', $message);
+            $this->assertStringContainsString('CTA++', $message);
+            $this->assertStringContainsString('COM+', $message);
         } catch (EdifactException $e) {
             fwrite(STDOUT, "\n\nDESADV\n" . $e->getMessage());
         }

tests/GeneratorTest/InvoicTest.php

@@ -132,7 +132,7 @@ public function testInvoice()
             $message = str_replace("'", "'\n", $encoder->get());
 //            fwrite(STDOUT, "\n\nINVOICE\n" . $message);
 
-            $this->assertContains('UNT+40', $message);
+            $this->assertStringContainsString('UNT+40', $message);
         } catch (EdifactException $e) {
             fwrite(STDOUT, "\n\nINVOICE\n" . $e->getMessage());
         }

tests/GeneratorTest/OrdersTest.php

@@ -68,7 +68,7 @@ public function testOrders()
             $message = str_replace("'", "'\n", $encoder->get());
             //fwrite(STDOUT, "\n\nORDERS\n" . $message);
 
-            $this->assertContains('UNT+20', $message);
+            $this->assertstringContainsString('UNT+20', $message);
         } catch (EdifactException $e) {
             fwrite(STDOUT, "\n\nORDERS\n" . $e->getMessage());
         }

tests/GeneratorTest/OrdrspTest.php

@@ -70,7 +70,7 @@ public function testOrdrsp()
         $message = str_replace("'", "'\n", $encoder->get());
 //        fwrite(STDOUT, "\n\nORDRSP\n" . $message);
 
-        $this->assertContains('UNT+11', $message);
+        $this->assertStringContainsString('UNT+11', $message);
     }