Fix asserts

Author: pnatashap

jdi-light-core/src/main/java/com/epam/jdi/light/elements/interfaces/base/HasPlaceholder.java

@@ -5,5 +5,7 @@
  * Email: roman.iovlev.jdi@gmail.com; Skype: roman.iovlev
  */
 public interface HasPlaceholder extends ICoreElement {
-    default String placeholder() { return core().placeholder(); }
+    default String placeholder() {
+        return core().placeholder();
+    }
 }

jdi-light-vuetify-tests/src/test/java/io/github/epam/vuetify/tests/complex/TextFieldsTests.java

@@ -311,6 +311,7 @@ public void iconSlotsTextFieldTest() {
         tooltip.is().visible();
     }
 
+    // TODO Check this test, find is not a testable feature here
     @Test (description = "Test checks text field label and it's text")
     public void labelTextFieldTest() {
         labelTextField.has().label();
@@ -343,6 +344,7 @@ public void heightTextFieldTest() {
         customHeightTextField1.has().height(184);
     }
 
+    // TODO Check assert for progress
     @Test (description = "Test checks progress bar condition")
     public void progressTextFieldTest() {
         for (int i = 1; i < 10; i++) {
@@ -379,7 +381,6 @@ public void placeholderTextField() {
         placeholderTextField1.has().placeholder();
         placeholderTextField1.has().placeholder("Filled");
         noPlaceholderTextField.has().notPlaceholder();
-
     }
 
     @Test (description = "Test checks reverse feature : reverse (y/n)")

jdi-light-vuetify/src/main/java/com/epam/jdi/light/vuetify/elements/complex/TextField.java

@@ -239,6 +239,11 @@ public String labelText() {
         return label().getText();
     }
 
+    @Override
+    public String placeholder() {
+        return this.labelText();
+    }
+
     @JDIAction("Get if '{name}' has placeholder")
     public boolean hasPlaceholder() {
         return core().hasClass("v-text-field--placeholder");